{"title":"Canna Nutrients \u0026 Growing Media","description":"\u003cp\u003eThe complete Canna range, held in genuine UK stock: \u003ca href=\"\/products\/canna-terra-professional-plus\"\u003eTerra\u003c\/a\u003e and \u003ca href=\"\/products\/canna-coco-professional-plus\"\u003eCoco\u003c\/a\u003e growing media, matched base feeds, and the full additive line from \u003ca href=\"\/products\/canna-rhizotonic\"\u003eRhizotonic\u003c\/a\u003e to \u003ca href=\"\/products\/canna-boost\"\u003eBoost\u003c\/a\u003e. New to Canna? The \u003ca href=\"\/products\/canna-terra-starter-kit\"\u003estarter kits\u003c\/a\u003e bundle a complete cycle's feeding in one box, and our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e shows exactly what to use each week.\u003c\/p\u003e","products":[{"product_id":"canna-rhizotonic","title":"Canna Rhizotonic (New Improved Formula)","description":"\u003ch3\u003eThe root stimulator UK growers trust — now better\u003c\/h3\u003e\n\u003cp\u003eCanna Rhizotonic is a concentrated natural extract of North Atlantic seaweed (\u003cem\u003eAscophyllum nodosum\u003c\/em\u003e) — the root enhancer and stress reliever most UK growers started with, and the new improved formula is the biggest update in its history. It helps cuttings, seedlings and transplants throw down a productive, healthy root system fast, which means better water and nutrient uptake and a plant that can shrug off stress instead of stalling.\u003c\/p\u003e\n\u003cp\u003eA strong root zone is the foundation of every harvest. More root mass means faster uptake, quicker establishment after re-potting, and real resilience against heat and drought shock. Rhizotonic is where that foundation gets built.\u003c\/p\u003e\n\u003ch3\u003eWhat's new in the improved formula\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore concentrated seaweed extract.\u003c\/strong\u003e A revised production process boosts the organic compounds that trigger the plant's own root-growth hormones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant-friendly pH (~4.7, down from ~12.5).\u003c\/strong\u003e Solutions need far less correction, and the old formula's fishy smell is largely gone — the new version smells sweeter and pours slightly darker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-year shelf life in the bottle\u003c\/strong\u003e (double the old formula) and high stability once diluted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal EC contribution\u003c\/strong\u003e — gentle enough for germination, where it helps soften hard seed casings so the tap root emerges more easily.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e(Sold in North America as \"Rhizotonic XP\" — same update, different regional name. UK stock carries standard Rhizotonic labelling.)\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy growers use Rhizotonic\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRapid new root growth on cuttings, seedlings and freshly re-potted plants\u003c\/li\u003e\n\u003cli\u003eStress relief and recovery — re-potting shock, heat, drought\u003c\/li\u003e\n\u003cli\u003eWorks on \u003cstrong\u003eany substrate\u003c\/strong\u003e: soil\/peat mixes, coco, and inert hydro media like pebbles and rockwool\u003c\/li\u003e\n\u003cli\u003eSuitable as a foliar spray for a direct route into stressed plants\u003c\/li\u003e\n\u003cli\u003eCan support healthy substrate micro-life; seaweed extracts of this type have also been linked to improved flavour and quality in the finished harvest\u003c\/li\u003e\n\u003cli\u003eVegetable-based formula rich in organic compounds, vitamins and minerals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGenuine UK stock — why it matters\u003c\/h3\u003e\n\u003cp\u003eAll our Canna stock is sourced through the official UK supply chain: English-language labels with UK dosing instructions, the current new-formula bottles (best-before March 2028 or later), and full manufacturer backing. Cheaper listings you may see elsewhere are often grey imports labelled for the Spanish or French markets — older stock, foreign-language instructions, and no UK support chain behind them. With a formula this recently updated, knowing exactly which version is in the bottle matters.\u003c\/p\u003e\n\u003ch3\u003eHow to use Canna Rhizotonic (dosage)\u003c\/h3\u003e\n\u003cp\u003eShake the bottle well before use, and always correct pH \u003cstrong\u003eafter\u003c\/strong\u003e adding your base nutrients and additives.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eStage\u003c\/th\u003e\n\u003cth\u003eDose\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirst dose \u0026amp; re-potting\u003c\/td\u003e\n\u003ctd\u003e40ml per 10L (4ml\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVegetative growth\u003c\/td\u003e\n\u003ctd\u003e20ml per 10L (2ml\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGenerative (flowering)\u003c\/td\u003e\n\u003ctd\u003e5ml per 10L (0.5ml\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003eUse the full first-dose rate whenever you re-pot.\u003c\/li\u003e\n\u003cli\u003eIn recirculating or drip systems, renew the nutrient solution every 5–7 days — Rhizotonic is organic material and shouldn't sit in tanks or lines indefinitely.\u003c\/li\u003e\n\u003cli\u003eDon't be tempted to overdose: over-fertilisation harms the substrate and the plant. The tiered rates above are the schedule.\u003c\/li\u003e\n\u003cli\u003eFor cuttings and stressed plants, a foliar mist gets Rhizotonic in fastest.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRoot stimulator \/ stress reliever\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003ctd\u003e\n\u003cem\u003eAscophyllum nodosum\u003c\/em\u003e North Atlantic seaweed extract\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormula\u003c\/td\u003e\n\u003ctd\u003eNew improved formula (\"XP\" outside the UK)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosage\u003c\/td\u003e\n\u003ctd\u003e40 \/ 20 \/ 5 ml per 10L (first dose \/ veg \/ flower)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003eAll substrates — soil, coco, hydro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEC\u003c\/td\u003e\n\u003ctd\u003eMinimal addition when diluted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e~4.7 (was ~12.5) — correct pH after all additions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003e2 years — store closed, dark, frost-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003e250ml · 1L (stocked) — 5L\/10L exist in the range, not currently stocked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOld formula vs new formula\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eOld Rhizotonic\u003c\/th\u003e\n\u003cth\u003eNew Rhizotonic\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlgae concentration\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eIncreased\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e~12.5\u003c\/td\u003e\n\u003ctd\u003e~4.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSmell\u003c\/td\u003e\n\u003ctd\u003eFishy\/sulphurous\u003c\/td\u003e\n\u003ctd\u003eSweeter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003e12 months\u003c\/td\u003e\n\u003ctd\u003e24 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDilution rates\u003c\/td\u003e\n\u003ctd\u003e40\/20\/5 per 10L\u003c\/td\u003e\n\u003ctd\u003eUnchanged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch3\u003eIs this the new formula \/ \"Rhizotonic XP\"?\u003c\/h3\u003e\n\u003cp\u003eYes. All stock we ship is the new improved formula. \"XP\" is the name used for the same update in North America — UK bottles carry standard Rhizotonic branding. New-formula bottles have a best-before date of March 2028 or later, a sweeter smell, and a slightly darker pour.\u003c\/p\u003e\n\u003ch3\u003eHow much Rhizotonic per litre?\u003c\/h3\u003e\n\u003cp\u003e4ml\/L for the first dose and whenever you re-pot, then 2ml\/L through veg and 0.5ml\/L in flower. Shake well first, and correct pH after adding everything to the solution.\u003c\/p\u003e\n\u003ch3\u003eCan I use Rhizotonic in soil \/ coco \/ hydro?\u003c\/h3\u003e\n\u003cp\u003eYes — it's suitable for every substrate and irrigation system, from peat mixes and coco to pebbles and rockwool. It pairs naturally with \u003ca href=\"\/products\/canna-terra-professional-plus\"\u003eCanna Terra Professional Plus\u003c\/a\u003e in soil and \u003ca href=\"\/products\/canna-coco-professional-plus\"\u003eCoco Professional Plus\u003c\/a\u003e in coco — see our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e for full schedules by medium.\u003c\/p\u003e\n\u003ch3\u003eDo I stop using it in flower?\u003c\/h3\u003e\n\u003cp\u003eNo — you taper, not stop. The generative rate is 0.5ml\/L. In flower it works alongside \u003ca href=\"\/products\/canna-cannazym\"\u003eCannazym\u003c\/a\u003e for root-zone maintenance, \u003ca href=\"\/products\/canna-boost\"\u003eCanna Boost\u003c\/a\u003e and \u003ca href=\"\/products\/canna-pk-13-14\"\u003ePK 13\/14\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes the new formula change my pH routine?\u003c\/h3\u003e\n\u003cp\u003ePossibly. The old formula's pH ~12.5 pushed solutions up; the new ~4.7 doesn't. Keep checking as normal — depending on your water you may now need less correction, or a nudge upward rather than down.\u003c\/p\u003e\n\u003ch3\u003eCan I use it from seed?\u003c\/h3\u003e\n\u003cp\u003eYes — its low EC makes it germination-friendly, and it can help soften hard seed casings so the tap root breaks through more easily.\u003c\/p\u003e\n\u003ch3\u003eHow long does a bottle last?\u003c\/h3\u003e\n\u003cp\u003eTwo years unopened\/closed, stored dark and frost-free. Once diluted it stays stable, but renew reservoir solution every 5–7 days in recirculating or drip systems.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"1L","offer_id":56008139997569,"sku":"RHIZO1L","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"250ml","offer_id":56008140030337,"sku":"RHIZO250","price":12.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-additives-canna-rhizotonic-sticker_png.webp?v=1785592772"},{"product_id":"canna-boost","title":"Canna Boost Accelerator","description":"\u003ch2\u003eCanna Boost Accelerator — Canna's Flowering Stimulator\u003c\/h2\u003e\n\u003cp\u003eCanna Boost Accelerator is Canna's flagship flowering stimulator, developed for short-cycle plants. Unlike most \"boosters\", it isn't extra nutrition — it's an additive that raises your plant's metabolism and rate of photosynthesis, so the feed you're already giving gets converted into flower faster. The result is fuller flowering sites, more even ripening and a noticeably sweeter, more aromatic finish as sugar production climbs.\u003c\/p\u003e\n\u003cp\u003eIt works in any medium and any system — soil, coco or full hydro — alongside any Canna base feed.\u003c\/p\u003e\n\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied direct through Canna's official UK distribution. No Spanish or French grey imports, no old-formula stock — current UK-label bottles with full batch traceability, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use Canna Boost\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWhen:\u003c\/strong\u003e start from the moment flowers begin to form, and use through the flowering phase.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDosage:\u003c\/strong\u003e 20ml per 10 litres of water (1:500). For extra flowering strength, Canna recommends up to 40ml per 10 litres (1:250).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHow:\u003c\/strong\u003e add to your normal feed water, or apply as a foliar spray for direct uptake through the leaves.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNever\u003c\/strong\u003e use alongside products containing hydrogen peroxide (H₂O₂) — it destroys Boost's organic compounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExact tank strengths for every stage are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003efeed chart guide\u003c\/a\u003e, which covers the full Canna schedule for both Terra and Coco.\u003c\/p\u003e\n\n\u003ch3\u003eBoost and PK 13\/14 — Canna's own pairing\u003c\/h3\u003e\n\u003cp\u003eCanna's official guidance is that the highest yields come from running Boost together with \u003ca href=\"\/products\/canna-pk-13-14\"\u003ePK 13\/14\u003c\/a\u003e: PK supplies the extra phosphorus and potassium flowering demands, while Boost drives the metabolism that turns those minerals into weight. Many growers also run \u003ca href=\"\/products\/canna-cannazym\"\u003eCannazym\u003c\/a\u003e throughout to keep the root zone clean while the plant is working at this higher rate. In the final week, switch additives off and finish with \u003ca href=\"\/products\/canna-flush\"\u003eCanna Flush\u003c\/a\u003e for a clean-tasting harvest.\u003c\/p\u003e\n\n\u003ch3\u003eWhy growers rate it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStimulates new flower development for heavier, denser fruits\u003c\/li\u003e\n  \u003cli\u003eMore uniform ripening — a more consistent harvest in one pass\u003c\/li\u003e\n  \u003cli\u003eHigher sugar production for better taste and stronger aroma\u003c\/li\u003e\n  \u003cli\u003eSupports the plant's natural resistance during its most vulnerable phase\u003c\/li\u003e\n  \u003cli\u003eNo PGRs — a fermented plant-extract formulation, safe on edible crops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the correct Canna Boost dosage?\u003c\/strong\u003e\u003cbr\u003e\n20ml per 10 litres (2ml\/L) from first flowers, rising to 40ml per 10 litres (4ml\/L) for maximum flowering strength. Full stage-by-stage rates are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs Canna Boost the same as PK 13\/14?\u003c\/strong\u003e\u003cbr\u003e\nNo — they do different jobs. \u003ca href=\"\/products\/canna-pk-13-14\"\u003ePK 13\/14\u003c\/a\u003e is a mineral additive (extra P and K); Boost is a metabolism stimulator. Canna designed them to be used together during flowering for the best results.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Canna Boost in soil, coco and hydro?\u003c\/strong\u003e\u003cbr\u003e\nYes — Boost is formulated for every medium and system, and works alongside any Canna base nutrient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I stop using it?\u003c\/strong\u003e\u003cbr\u003e\nRun Boost through flowering, then stop your additives when you begin your end-of-cycle flush with \u003ca href=\"\/products\/canna-flush\"\u003eCanna Flush\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix it with hydrogen peroxide?\u003c\/strong\u003e\u003cbr\u003e\nNo. H₂O₂ kills the organic compounds Boost relies on. Keep any peroxide-based products out of the same reservoir.\u003c\/p\u003e\n\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"250ml","offer_id":56008318845313,"sku":"BOOST250","price":21.99,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":56008318878081,"sku":"BOOST1L","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-additives-cannaboost_png.webp?v=1785597770"},{"product_id":"canna-terra-professional-plus","title":"Canna Terra Professional Plus 50L","description":"\u003ch2\u003eCanna Terra Professional Plus — Canna's Purest Potting Mix\u003c\/h2\u003e\n\u003cp\u003eCanna Terra Professional Plus is the top of Canna's Terra substrate range — described by Canna as the purest potting mix possible for plant cultivation. It's formulated specifically for indoor grow-room conditions (though it performs outdoors too) and is built to work hand-in-glove with the Terra nutrient line: the mix carries a mineral starter charge with its ratios matched to Canna Terra feeds, so your plants transition seamlessly onto the schedule.\u003c\/p\u003e\n\u003cp\u003eThe blend is airy white peat moss with graded tree bark. The bark isn't filler — it has a natural antiseptic action in the root zone and does the aeration job perlite does in ordinary mixes, promoting exceptional root development and noticeably thicker stems. The medium is pH-adjusted with a lime charge sized to hold stable for an entire growing cycle, and it carries trace elements and chelates that protect plants through growth.\u003c\/p\u003e\n\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK bags, fresh stock rotation, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\n\u003ch3\u003eProfessional Plus vs Terra Professional — which one is this?\u003c\/h3\u003e\n\u003cp\u003eCanna makes two main Terra mixes and the names cause endless confusion, so here's the actual difference. \u003cstrong\u003eTerra Professional\u003c\/strong\u003e (the standard mix) is nitrogen-rich and blends upgraded black peat, granulated peat moss and perlite. \u003cstrong\u003eTerra Professional Plus\u003c\/strong\u003e — this product — is the premium tier: the purest raw materials Canna uses, built on top-quality white peat with antiseptic tree bark taking the place of perlite. If you're choosing between them for an indoor grow, Plus is the one Canna positions for the biggest harvests, and it's the variant we stock.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLoosen the mix well and fill your pots, compressing the medium slightly.\u003c\/li\u003e\n  \u003cli\u003eWater until a little begins to drain through, then place your plant.\u003c\/li\u003e\n  \u003cli\u003eFor larger plants use 5 litre pots or bigger — the larger the pot, the more stable the root environment. A thin layer of clay pebbles in the base helps air and drainage.\u003c\/li\u003e\n  \u003cli\u003eUnder normal conditions adult plants transpire 4–6 litres of moisture per m² per day — adjust watering to pot size, conditions and growth stage.\u003c\/li\u003e\n  \u003cli\u003eThe starter charge covers initial feeding — introduce \u003ca href=\"\/products\/canna-terra-vega\"\u003eTerra Vega\u003c\/a\u003e as growth gets underway, then switch to \u003ca href=\"\/products\/canna-terra-flores\"\u003eTerra Flores\u003c\/a\u003e when flowers begin to develop.\u003c\/li\u003e\n  \u003cli\u003eExact strengths for every stage are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n  \u003cli\u003eStore bags somewhere cool and dry, and don't expose them to temperatures below 4°C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy growers choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCanna's purest, highest-grade potting mix — the premium tier of the Terra range\u003c\/li\u003e\n  \u003cli\u003eCarries the RHP quality mark for horticultural substrates\u003c\/li\u003e\n  \u003cli\u003eExceptional root development and thicker stems from the airy peat-and-bark structure\u003c\/li\u003e\n  \u003cli\u003eAntiseptic bark action supports a healthy root zone with low sickness rates\u003c\/li\u003e\n  \u003cli\u003epH stability for the whole cycle from the built-in lime charge\u003c\/li\u003e\n  \u003cli\u003eStarter nutrition matched to Terra Vega and Flores — no guesswork at the transition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes Terra Professional Plus contain perlite?\u003c\/strong\u003e\u003cbr\u003e\nNo — and this is the most common mix-up (some retailer guides get it wrong). Plus uses graded tree bark for aeration and drainage instead of perlite. It's the standard Terra Professional that contains perlite.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long before I need to start feeding?\u003c\/strong\u003e\u003cbr\u003e\nThe mix carries a mineral starter charge matched to Canna Terra nutrients, so plants have what they need to establish. Introduce \u003ca href=\"\/products\/canna-terra-vega\"\u003eTerra Vega\u003c\/a\u003e at light strength as vigorous growth begins and follow the \u003ca href=\"\/pages\/canna-feed-chart\"\u003efeed chart\u003c\/a\u003e from there.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich nutrients go with this soil?\u003c\/strong\u003e\u003cbr\u003e\nThe Terra line: \u003ca href=\"\/products\/canna-terra-vega\"\u003eTerra Vega\u003c\/a\u003e through veg, \u003ca href=\"\/products\/canna-terra-flores\"\u003eTerra Flores\u003c\/a\u003e once flowering starts. New to Canna? The \u003ca href=\"\/products\/canna-terra-starter-kit\"\u003eTerra Starter Kit\u003c\/a\u003e bundles the essentials to run this soil from day one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it outdoors?\u003c\/strong\u003e\u003cbr\u003e\nYes — it's developed for indoor grow rooms but Canna confirms it gives good results outside too.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the 50L bag shipped?\u003c\/strong\u003e\u003cbr\u003e\nA bag weighs around 17kg and ships as its own parcel. Bulky-item shipping is calculated at checkout; see our shipping policy for current thresholds.\u003c\/p\u003e\n\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56008387789185,"sku":"TERRAPRO+","price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/cannaterrapro_1.webp?v=1785599802"},{"product_id":"canna-coco-professional-plus","title":"Canna Coco Professional Plus 50L","description":"\u003ch2\u003eCanna Coco Professional Plus — RHP-Certified Buffered Coco\u003c\/h2\u003e\n\u003cp\u003eCanna Coco Professional Plus is the benchmark coco substrate: 100% coco flakes from specially selected prime Indian coconuts, processed without ever touching the outdoor ground so the finished bag is free of weeds and soil diseases. It's washed in fresh water — not seawater — so no salts are present, and it arrives fully buffered, which eliminates raw coir's habit of stealing nutrients from your feed. Canna's buffering process effectively \"pre-programs\" the medium, so every bag behaves the same way, grow after grow.\u003c\/p\u003e\n\u003cp\u003eThe structure gives a water\/air ratio of 73%\/23% — plenty of moisture held for the roots while air still moves freely through the medium. A 45% wood-cellulose fraction in the flakes means the structure holds up over time rather than compacting, which is also why this coco can be re-used across multiple cycles and makes an excellent potting-mix improver when you're finally done with it.\u003c\/p\u003e\n\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK bags, fresh stock rotation, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\n\u003ch3\u003eThe RHP quality mark — and beyond it\u003c\/h3\u003e\n\u003cp\u003eCoco Professional Plus carries the strictest R.H.P. quality mark, and Canna states the product goes well beyond that standard. The RHP inspection isn't a spot-check on the finished bag — it covers the sourcing and processing of the raw materials all the way through to packing. In practical terms: consistent EC, consistent structure, no surprises between bags.\u003c\/p\u003e\n\n\u003ch3\u003eHow to use it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse pots of at least 5 litres — the larger the pot, the more stable the root environment.\u003c\/li\u003e\n  \u003cli\u003eFeed with coco-specific nutrients from day one: the medium is buffered, not pre-fertilised. \u003ca href=\"\/products\/canna-coco-a-b\"\u003eCanna Coco A\u0026amp;B\u003c\/a\u003e is the two-part base feed designed for exactly this substrate, used through both veg and flower.\u003c\/li\u003e\n  \u003cli\u003eExact strengths for every stage are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e, which covers the full Coco schedule.\u003c\/li\u003e\n  \u003cli\u003eRe-using it? Flush through with pH-adjusted water between cycles and keep an eye on EC — the structure is built to last several grows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy growers choose it\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe most consistent coco on the market — buffered and pre-programmed for identical behaviour bag to bag\u003c\/li\u003e\n  \u003cli\u003eR.H.P. certified from raw material to bag, and beyond the standard by Canna's own testing\u003c\/li\u003e\n  \u003cli\u003eSalt-free from fresh-water washing — no flushing needed before first use\u003c\/li\u003e\n  \u003cli\u003e73\/23 water\/air ratio: hydro-grade feeding precision with soil-like forgiveness\u003c\/li\u003e\n  \u003cli\u003eReusable across multiple cycles thanks to the durable flake structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to wash or buffer this coco before using it?\u003c\/strong\u003e\u003cbr\u003e\nNo — that's the point of Professional Plus. It arrives washed salt-free in fresh water and fully buffered, ready to plant into straight from the bag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich nutrients do I use with it?\u003c\/strong\u003e\u003cbr\u003e\nCoco-specific ones — soil nutrients are formulated for a different medium. \u003ca href=\"\/products\/canna-coco-a-b\"\u003eCanna Coco A\u0026amp;B\u003c\/a\u003e is the matched base feed, run through the whole cycle. New to coco? The \u003ca href=\"\/products\/canna-coco-starter-kit\"\u003eCoco Starter Kit\u003c\/a\u003e bundles everything to run this bag from day one.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the same as Canna Coco Natural?\u003c\/strong\u003e\u003cbr\u003e\nNo — Professional Plus is the premium, fully buffered and RHP-certified grade. It's the variant we stock because it's the one the overwhelming majority of coco growers actually want.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix it with soil?\u003c\/strong\u003e\u003cbr\u003e\nYes — because the flake structure resists compacting, it works well as a structure and drainage improver in soil mixes, and Canna recommends it as a potting-mix improver after its growing life too.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the 50L bag shipped?\u003c\/strong\u003e\u003cbr\u003e\nEach bag ships as its own parcel. Bulky-item delivery is calculated and shown at checkout before you pay — no surprises.\u003c\/p\u003e\n\n  \u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56009078079873,"sku":"COCOPRO+","price":18.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-canna-coco-prof-plus_png.webp?v=1785604124"},{"product_id":"canna-cannazym","title":"Canna Cannazym","description":"\u003ch2\u003eCannazym — Canna's Enzyme Additive for a Clean Root Zone\u003c\/h2\u003e\n\u003cp\u003eCannazym is Canna's enzyme formula: more than 12 different kinds of enzymes with added vitamins and desert-plant extracts. Its job is housekeeping in the root zone — in any healthy root system old roots constantly die off as new ones form, and that dead material is exactly what pathogens feed on. Cannazym breaks dead root matter down fast, converting it into minerals and sugars the plant reabsorbs as food, while activating the beneficial micro-organisms that keep the zone healthy. The result: better nutrient uptake, stronger resistance to root disease, and a root environment that stays clean cycle after cycle.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK-label bottles, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eHow to use Cannazym\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage:\u003c\/strong\u003e 25ml per 10 litres of water (1:400), at least once a week — continuous use through the cycle gives the best results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-using substrate?\u003c\/strong\u003e This is where Cannazym earns its keep: double the dose for the first 1–2 weeks and it breaks the old root mass down into plant food.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever\u003c\/strong\u003e combine with products containing hydrogen peroxide (H₂O₂), and don't mix solution more than 10 days ahead.\u003c\/li\u003e\n\u003cli\u003eFull stage-by-stage rates are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs naturally with\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/products\/canna-rhizotonic\"\u003eRhizotonic\u003c\/a\u003e builds the root system; Cannazym keeps it clean — Canna growers typically run both, Rhizotonic front-loaded early and Cannazym steady throughout.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need Cannazym if my plants look healthy?\u003c\/strong\u003e\u003cbr\u003eRoots die off invisibly in every grow — Cannazym is prevention, not cure. It's cheapest insurance in coco and any re-used medium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I re-use my coco or soil with Cannazym?\u003c\/strong\u003e\u003cbr\u003eYes — that's one of its main jobs. Double-dose for the first week or two on reused media and the old root remnants become nutrition rather than a pathogen buffet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work in soil, coco and hydro?\u003c\/strong\u003e\u003cbr\u003eAll of them — it's substrate-independent and runs alongside any Canna base feed.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"250ml","offer_id":56010332668289,"sku":"ZYM250","price":6.99,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":56010332701057,"sku":"ZYM1000","price":17.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-additives-cannazym_png.webp?v=1785606252"},{"product_id":"canna-pk-13-14","title":"Canna PK 13\/14","description":"\u003ch2\u003eCanna PK 13\/14 — The One-Week Flowering Booster\u003c\/h2\u003e\n\u003cp\u003eCanna PK 13\/14 is a high-grade mixture of pure phosphorus and potassium — the two elements a plant's demand for spikes hard during flowering. Through a special production process Canna combines both in very high concentrations that are quickly and directly available, so when you add it at the right moment, the flowering plant's increased needs are fully met and fruits reach maximum development.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK-label bottles, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eHow to use PK 13\/14 — Canna's actual instructions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhen:\u003c\/strong\u003e add three weeks before harvest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDosage:\u003c\/strong\u003e dissolve 15ml per 10 litres of water (1:666) into a full nutrient tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuration: one week only.\u003c\/strong\u003e This is Canna's explicit guidance — their base feeds already carry P and K, so PK 13\/14 is a one-week ratio shift, not a running additive.\u003c\/li\u003e\n\u003cli\u003eWorks in every medium — soil, coco, recirculating and run-to-waste — indoors and out.\u003c\/li\u003e\n\u003cli\u003eExact timing against your schedule is in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Boost pairing\u003c\/h3\u003e\n\u003cp\u003eCanna designed \u003ca href=\"\/products\/canna-boost\"\u003eBoost Accelerator\u003c\/a\u003e and PK 13\/14 as a pair: PK supplies the extra flowering minerals, Boost drives the metabolism that turns them into weight. After the PK week, run your normal feed down and finish with \u003ca href=\"\/products\/canna-flush\"\u003eCanna Flush\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I run PK 13\/14 for several weeks at a low dose?\u003c\/strong\u003e\u003cbr\u003eYou'll see that advice around — but Canna's own answer is no: always one week. Their base nutrients already contain P and K; PK 13\/14 exists to shift the ratio at one precise moment, and running it longer risks overfeeding. We follow the manufacturer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs PK 13\/14 the same as Boost?\u003c\/strong\u003e\u003cbr\u003eNo — PK is minerals, \u003ca href=\"\/products\/canna-boost\"\u003eBoost\u003c\/a\u003e is a metabolism stimulator. They're designed to work together, not substitute each other.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich week exactly do I add it?\u003c\/strong\u003e\u003cbr\u003eThree weeks before your planned harvest. Check the \u003ca href=\"\/pages\/canna-feed-chart\"\u003efeed chart\u003c\/a\u003e to place it against your full schedule.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"250ml","offer_id":56010692886913,"sku":"PK1314250","price":5.99,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":56010692919681,"sku":"PK13141L","price":13.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-additives-canna-pk-1314_png.webp?v=1785607068"},{"product_id":"canna-flush","title":"Canna Flush","description":"\u003ch2\u003eCanna Flush — Clean Finish, Living Substrate\u003c\/h2\u003e\n\u003cp\u003eCanna Flush clears excess nutrients and accumulated salts out of your substrate — and does it without wiping out the beneficial bacteria and fungi living there, which is what sets it apart from harsher approaches. Used in the final stretch before harvest it makes sure the plant sheds everything surplus, for a clean-tasting, aromatic result. It's equally useful mid-cycle as a reset if a substrate has been overfed.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK-label bottles, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eHow to use Canna Flush\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-harvest:\u003c\/strong\u003e switch from your normal feed to Flush solution in the final phase — timing against your schedule is in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMid-cycle reset:\u003c\/strong\u003e use whenever salt build-up or overfeeding shows; the substrate keeps its beneficial life and you resume normal feeding after.\u003c\/li\u003e\n\u003cli\u003eDose per the bottle's directions for your water volume.\u003c\/li\u003e\n\u003cli\u003eWorks in soil, coco and hydro media alike.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy not just flush with plain water?\u003c\/strong\u003e\u003cbr\u003ePlain water moves salts slowly and unevenly; Flush is formulated to bind and clear the excess efficiently while leaving the substrate's micro-life intact.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen do I stop my additives?\u003c\/strong\u003e\u003cbr\u003eBoost, PK and enzymes come out when the flush begins — Flush is the last thing through the pot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work on reused substrate?\u003c\/strong\u003e\u003cbr\u003eYes — flushing before re-use pairs well with \u003ca href=\"\/products\/canna-cannazym\"\u003eCannazym\u003c\/a\u003e's breakdown of old root matter for a clean restart.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"250ml","offer_id":56010883989889,"sku":"FLUSH250","price":5.49,"currency_code":"GBP","in_stock":true},{"title":"1L","offer_id":56010884022657,"sku":"FLUSH1L","price":10.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/canna-flush_250ml.webp?v=1785607484"},{"product_id":"canna-terra-vega","title":"Canna Terra Vega 1L","description":"\u003ch2\u003eCanna Terra Vega — The Complete Growth Feed for Soil\u003c\/h2\u003e\n\u003cp\u003eTerra Vega is Canna's complete professional nutrient for the growth phase in peat-based potting mixes. It drives strong, vigorous growth — big healthy shoots and lush root development — and it's formulated to perform whether your soil is pre-fertilised, low in nutrients, or on its second life. If you're growing in \u003ca href=\"\/products\/canna-terra-professional-plus\"\u003eTerra Professional Plus\u003c\/a\u003e, this is the feed the substrate's starter charge was calibrated for.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK-label bottles, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eHow to use Terra Vega\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRun it through the vegetative phase, from establishment until flowers begin to develop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe switch:\u003c\/strong\u003e move to \u003ca href=\"\/products\/canna-terra-flores\"\u003eTerra Flores\u003c\/a\u003e when flowers start forming — typically 1–3 weeks after moving to 12-hour light.\u003c\/li\u003e\n\u003cli\u003eFront-load rooting with \u003ca href=\"\/products\/canna-rhizotonic\"\u003eRhizotonic\u003c\/a\u003e in the early weeks alongside Vega.\u003c\/li\u003e\n\u003cli\u003eExact strengths per week are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eVega or Flores — which do I need?\u003c\/strong\u003e\u003cbr\u003eVega is growth, Flores is flowering. Most soil growers need both across a cycle; if you're buying your first setup, the \u003ca href=\"\/products\/canna-terra-starter-kit\"\u003eTerra Starter Kit\u003c\/a\u003e covers it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in coco?\u003c\/strong\u003e\u003cbr\u003eNo — the Terra line is formulated for soil. Coco needs \u003ca href=\"\/products\/canna-coco-a-b\"\u003eCoco A\u0026amp;B\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56011091181953,"sku":"TERRAVEGA1L","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-canna-terra-vega_png.webp?v=1785607923"},{"product_id":"canna-terra-flores","title":"Canna Terra Flores 1L","description":"\u003ch2\u003eCanna Terra Flores — The Complete Flowering Feed for Soil\u003c\/h2\u003e\n\u003cp\u003eTerra Flores is Canna's complete nutrient for the flowering phase on peat-based potting mixes. It supplies everything the plant needs through the generative stage in immediately assimilable form, stimulating fruit and flower formation and bringing out the plant's characteristic aroma. It takes over from \u003ca href=\"\/products\/canna-terra-vega\"\u003eTerra Vega\u003c\/a\u003e the moment flowers begin to develop.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK-label bottles, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eHow to use Terra Flores\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwitch from \u003ca href=\"\/products\/canna-terra-vega\"\u003eTerra Vega\u003c\/a\u003e when flowers start forming — usually 1–3 weeks after the move to 12-hour light.\u003c\/li\u003e\n\u003cli\u003eRun it through flowering; add \u003ca href=\"\/products\/canna-boost\"\u003eBoost\u003c\/a\u003e for metabolism and \u003ca href=\"\/products\/canna-pk-13-14\"\u003ePK 13\/14\u003c\/a\u003e for its one-week ratio shift three weeks before harvest.\u003c\/li\u003e\n\u003cli\u003eExact strengths per week are in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhen exactly do I switch from Vega?\u003c\/strong\u003e\u003cbr\u003eAt first visible flower development. Overlap doesn't need to be agonised over — the switch point is the start of flowers, not a calendar date.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I still need Boost and PK if I use Flores?\u003c\/strong\u003e\u003cbr\u003eFlores is the complete base feed; Boost and PK 13\/14 are additives layered on top for maximum results. Base first, additives second.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56011510219137,"sku":"TERRAFLORES1L","price":12.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-canna-terra-flores_png.webp?v=1785608422"},{"product_id":"canna-coco-a-b","title":"Canna Coco A\u0026B 1L","description":"\u003ch2\u003eCanna Coco A\u0026amp;B — One Base Feed for the Whole Coco Cycle\u003c\/h2\u003e\n\u003cp\u003eCoco A\u0026amp;B is Canna's two-part base nutrient developed specifically for growing in coco. Here's the thing newcomers from soil always miss: unlike the Terra line, there's no Vega\/Flores split — \u003cstrong\u003eone A\u0026amp;B formulation feeds the plant through the entire cycle\u003c\/strong\u003e, veg and flower, with the ratios handled by dosage rather than bottle-swapping. It's built for run-to-waste growing in buffered coco, which makes it the matched feed for \u003ca href=\"\/products\/canna-coco-professional-plus\"\u003eCoco Professional Plus\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK-label bottles, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eHow to use Coco A\u0026amp;B\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways use A and B together, in equal amounts — add A to your water first, mix well, then add B. Never mix the concentrates directly with each other.\u003c\/li\u003e\n\u003cli\u003eFeed from day one in coco: the substrate is buffered, not pre-fertilised.\u003c\/li\u003e\n\u003cli\u003eStrength scales through the cycle — the exact weekly schedule is in our \u003ca href=\"\/pages\/canna-feed-chart\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003ePair with \u003ca href=\"\/products\/canna-rhizotonic\"\u003eRhizotonic\u003c\/a\u003e early for root establishment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy two bottles?\u003c\/strong\u003e\u003cbr\u003eSome concentrated elements can't coexist in one bottle without reacting — splitting A and B keeps everything stable and fully available once diluted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a separate flowering feed?\u003c\/strong\u003e\u003cbr\u003eNo — that's the Coco line's simplicity. Same A\u0026amp;B throughout; you adjust dose per the feed chart, and add flowering additives like Boost and PK 13\/14 when the time comes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in soil?\u003c\/strong\u003e\u003cbr\u003eNo — it's formulated for coco's chemistry. Soil wants \u003ca href=\"\/products\/canna-terra-vega\"\u003eTerra Vega\u003c\/a\u003e and Flores.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56011667505537,"sku":"COCOAB1L","price":13.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-canna-coco-ab_png.webp?v=1785608943"},{"product_id":"canna-terra-starter-kit","title":"Canna Terra Starter Kit","description":"\u003ch2\u003eCanna Terra Starter Kit — Your First Soil Grow, The Canna Way\u003c\/h2\u003e\n\u003cp\u003eThe Terra Starter Kit bundles Canna's core soil-growing feeds and additives into one box, sized for a first grow — with Canna's official grow guide included so you know exactly what goes in the water each week. It's the simplest way to start feeding correctly from day one instead of assembling (and mis-dosing) bottles piecemeal.\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK kits, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerra Vega 250ml\u003c\/strong\u003e — the complete growth-phase feed. The small bottle is deliberate: Canna's Terra Professional Plus soil is pre-fertilised with a starter charge, so the soil itself covers much of the early feeding and Vega tops it up\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerra Flores 1L\u003c\/strong\u003e — the complete flowering feed (the bigger bottle, because flowering is longer and by then the soil's charge is spent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRhizotonic 250ml\u003c\/strong\u003e — root stimulator for the critical early weeks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Accelerator 125ml\u003c\/strong\u003e — Canna's flowering stimulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCannazym 125ml\u003c\/strong\u003e — keeps the root zone clean throughout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePK 13\/14 50ml\u003c\/strong\u003e — the one-week flowering ratio shift\u003c\/li\u003e\n\u003cli\u003eCanna's grow guide, plus pests \u0026amp; diseases and deficiency leaflets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eYou'll also need\u003c\/h3\u003e\n\u003cp\u003eThe kit covers feeding — pair it with a bag of \u003ca href=\"\/products\/canna-terra-professional-plus\"\u003eTerra Professional Plus\u003c\/a\u003e, the soil these feeds are calibrated for, and you have the complete Canna soil system.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the kit last?\u003c\/strong\u003e\u003cbr\u003eIt’s sized for a complete growth cycle of a fast-flowering annual plant over a 1m² area — a full first grow, start to harvest.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need anything else to follow the Canna schedule?\u003c\/strong\u003e\u003cbr\u003eJust water, the included guide, and our \u003ca href=\"\/pages\/canna-feed-chart\"\u003efeed chart page\u003c\/a\u003e if you want the schedule on screen next to the reservoir.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56011927028097,"sku":"TERRASTART","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-canna-terra-starter-kit_png.webp?v=1785609390"},{"product_id":"canna-coco-starter-kit","title":"Canna Coco Starter Kit","description":"\u003ch2\u003eCanna Coco Starter Kit — Your First Coco Grow, The Canna Way\u003c\/h2\u003e\n\u003cp\u003eThe Coco Starter Kit puts Canna's coco feeding essentials in one box with the official grow guide — the straightforward way into coco growing, where correct feeding from day one matters more than in any other medium (coco is buffered, not pre-fertilised, so the feed does all the work).\u003c\/p\u003e\n\u003ch3\u003eGenuine UK Stock\u003c\/h3\u003e\n\u003cp\u003eWe only sell genuine UK-market Canna, supplied through Canna's official UK distribution — current UK kits, dispatched fast from our UK warehouse.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoco A\u0026amp;B 1L\u003c\/strong\u003e — the two-part base feed that runs the whole cycle (no Vega\/Flores split in coco)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRhizotonic 250ml\u003c\/strong\u003e — root stimulator for establishment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost Accelerator 125ml\u003c\/strong\u003e — Canna's flowering stimulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCannazym 125ml\u003c\/strong\u003e — root-zone housekeeping, doubly useful in coco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePK 13\/14 50ml\u003c\/strong\u003e — the one-week flowering ratio shift\u003c\/li\u003e\n\u003cli\u003eCanna's grow guide, plus pests \u0026amp; diseases and deficiency leaflets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eYou'll also need\u003c\/h3\u003e\n\u003cp\u003eAdd a bag of \u003ca href=\"\/products\/canna-coco-professional-plus\"\u003eCoco Professional Plus\u003c\/a\u003e — the RHP-certified buffered coco these feeds are designed around — and the system is complete.\u003c\/p\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs coco harder than soil for a beginner?\u003c\/strong\u003e\u003cbr\u003eDifferent, not harder — feeding is non-optional from day one, but the kit plus the included guide makes the routine simple, and coco rewards you with faster growth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the kit last?\u003c\/strong\u003e\u003cbr\u003eLike the Terra kit, it’s sized for a complete growth cycle of a fast-flowering annual over 1m² — one full grow, start to harvest. Follow the coco schedule week by week in our \u003ca href=\"\/pages\/canna-feed-chart#coco\"\u003eCanna feed chart guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eBrowse the \u003ca href=\"\/collections\/canna\"\u003efull Canna range\u003c\/a\u003e — genuine UK stock, all lines.\u003c\/p\u003e","brand":"Canna","offers":[{"title":"Default Title","offer_id":56012106432897,"sku":"COCOSTART","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/prod-canna-coco-starter-kit_png.webp?v=1785609743"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/collections\/logo.svg?v=1785610226","url":"https:\/\/ledgrowshop.co.uk\/collections\/canna.oembed","provider":"LED GROW SHOP UK","version":"1.0","type":"link"}