{"product_id":"growth-technology-ph-buffer-solution-300ml","title":"Growth Technology pH Buffer Solution 300ml","description":"\u003cp\u003e\u003cstrong\u003eGrowth Technology pH Buffer Solution 4.00 \/ 7.00, 300ml\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA pH calibration solution with a set value of pH 4.00 (Buffer 4) or pH 7.00 (Buffer 7), for calibrating pH meters, pH pens, monitors and controllers. Regular calibration keeps your readings accurate, so you adjust your nutrient solution to the pH you actually intend.\u003c\/p\u003e\n\u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the probe with clean water before each buffer.\u003c\/li\u003e\n\u003cli\u003eCalibrate in pH 7.00 first, then pH 4.00, following your meter's instructions.\u003c\/li\u003e\n\u003cli\u003ePour a little buffer into a clean container for calibration; don't return used buffer to the bottle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eChoose pH 4.00 or pH 7.00 above. Most meters need both for a two-point calibration.\u003c\/p\u003e","brand":"Growth Technology","offers":[{"title":"pH 4","offer_id":56422864421249,"sku":"PHBUF4","price":2.99,"currency_code":"GBP","in_stock":true},{"title":"pH 7","offer_id":56422893486465,"sku":"PHBUF7","price":2.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0525\/9060\/8574\/files\/UntitledDesign_1_efcae644-5721-430f-acbd-a0d4c5be191e.png?v=1792510176","url":"https:\/\/ledgrowshop.co.uk\/products\/growth-technology-ph-buffer-solution-300ml","provider":"LED GROW SHOP UK","version":"1.0","type":"link"}