Coming soon – first UK stock lands mid-November 2026. Use the notify-me button to be emailed the moment it's live.

Grow gourmet mushrooms on the kitchen counter. No misting, no fanning, no guesswork.

The LYKYN Smart Mushroom Grow Box is an automated fruiting chamber for growing lion's mane, oyster, shiitake and 25 other species at home. Add water to the reservoir, place a ready-to-fruit block on the tray, choose the species in the LYKYN app, and the chamber holds humidity, airflow and light to that species' profile for the whole grow. It tells you when to top up the water. You harvest.

UK stock, UK warranty, UK plug adapter included. LED Grow Shop is LYKYN's official UK distributor. This is the Single Layer chamber in Obsidian Black.

Why a chamber rather than a kit

Most mushroom kits fail for one reason: the block dries out. A kit asks you to mist it several times a day and hope the humidity holds. The LYKYN replaces that routine with a 2.8 L ultrasonic humidifier, sensor-controlled fresh-air exchange through a HEPA-filtered intake, and an adjustable LED, all driven by 28 built-in species profiles. One fill of the reservoir lasts up to three to four weeks. Oyster blocks typically fruit in under a week; lion's mane in two to three.

It takes any ready-to-fruit block up to 2.7 kg (6 lb), so you can use blocks from any UK grower, and a block costs a few pounds. The chamber is the appliance; the block is the ingredient.

What's in the box

LYKYN Single Layer Grow Box, Obsidian Black (flat-packed; assembly takes about 10 minutes)
Humidifier reservoir
USB-A to USB-C power cable
UK 5V USB power adapter – added by LED Grow Shop so it works out of the box
UK quick-start insert

A fruiting block is not included. UK-grown blocks will be available from our mushroom section.

Specifications

Capacity: one fruiting block up to 2.7 kg (6 lb)
Dimensions: 322 × 322 × 380 mm; weight 3.9 kg
Humidifier reservoir: 2.8 L (3–4 weeks per fill, species dependent)
Sensors: humidity 10–95% RH ±2%, temperature
Filtration: HEPA on the intake, reusable filter on the exhaust
Noise: under 35 dB
Power: 5 V USB-C, around 5 W average, 15 W peak
Connectivity: Wi-Fi 802.11 b/g/n 2.4 GHz and Bluetooth LE; LYKYN app for iOS 12+ / Android 8+
Materials: clear acrylic panels on a plastic frame
Species profiles: 28 built in (oysters, lion's mane, shiitake, king oyster, pioppino, chestnut, enoki, maitake, reishi and more), plus a manual mode

Before you buy – please read

App only. There are no buttons on the unit. You need a compatible smartphone and a 2.4 GHz Wi-Fi network to set up and start a grow. Once running, a grow carries on if the Wi-Fi drops.
2.4 GHz Wi-Fi. If your router combines 2.4 GHz and 5 GHz under one name, stand away from the router while pairing, or split the bands temporarily.
Room temperature. The chamber controls humidity, airflow and light. It does not heat or cool. Keep it in a normal indoor room, out of direct sun, and not in a cold spare room, garage or conservatory in winter.
Water. Use distilled or RO water in the reservoir.
Slow starters are normal. Lion's mane shows nothing for the first week or so, then pins and fills out over the next two. That is the process working.

Support and warranty

12-month warranty handled in the UK by LED Grow Shop. Security updates for this product are provided by the manufacturer until at least 31 December 2029. UK stock, next-working-day delivery available.

LYKYN Smart Mushroom Grow Box – Single Layer – Obsidian Black