Myco Revolution is back

Unicorn Bags,
stocked in the UK.

Premium mushroom substrate & spawn bags, ready when you need them. Order today and grow tomorrow — we post UK wide.

Mushroom Fruiting Bags

Unicorn 4A — Mushroom Substrate Fruiting Bag (Small)

Unicorn 4A — Mushroom Substrate Fruiting Bag (Small)

Unicorn 4A — Mushroom Substrate Fruiting Bag (Small)

£13.50
Sale price  £13.50 Regular price 
Unicorn 10A — Mushroom Substrate Fruiting Bag (Medium)

Unicorn 10A — Mushroom Substrate Fruiting Bag (Medium)

Unicorn 10A — Mushroom Substrate Fruiting Bag (Medium)

£13.50
Sale price  £13.50 Regular price 
Unicorn 14A — Mushroom Substrate Fruiting Bag (Large)

Unicorn 14A — Mushroom Substrate Fruiting Bag (Large)

Unicorn 14A — Mushroom Substrate Fruiting Bag (Large)

£13.50
Sale price  £13.50 Regular price 
Unicorn XLSA — Mushroom Substrate Fruiting Bag (Extra Large)

Unicorn XLSA — Mushroom Substrate Fruiting Bag (Extra Large)

Unicorn XLSA — Mushroom Substrate Fruiting Bag (Extra Large)

£20.00
Sale price  £20.00 Regular price 

Mushroom Spawn Bags

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Unicorn 4T — Mushroom Grain Spawn Bag (Small)

Unicorn 4T — Mushroom Grain Spawn Bag (Small)

Unicorn 4T — Mushroom Grain Spawn Bag (Small)

£13.50
Sale price  £13.50 Regular price 
Unicorn 10T — Mushroom Grain Spawn Bag (Medium)

Unicorn 10T — Mushroom Grain Spawn Bag (Medium)

Unicorn 10T — Mushroom Grain Spawn Bag (Medium)

£15.00
Sale price  £15.00 Regular price 
Unicorn 3T — Mushroom Grain Spawn Bag (Large)

Unicorn 3T — Mushroom Grain Spawn Bag (Large)

Unicorn 3T — Mushroom Grain Spawn Bag (Large)

£18.00
Sale price  £18.00 Regular price 
Unicorn XLST — Mushroom Grain Spawn Bag (Extra Large)

Unicorn XLST — Mushroom Grain Spawn Bag (Extra Large)

Unicorn XLST — Mushroom Grain Spawn Bag (Extra Large)

£25.00
Sale price  £25.00 Regular price 

Spawn Bags with Injection Ports

Unicorn 4T INJ — Mushroom Grain Spawn Bag (Small) w/ Injection Port

Unicorn 4T INJ — Mushroom Grain Spawn Bag (Small) w/ Injection Port

Unicorn 4T INJ — Mushroom Grain Spawn Bag (Small) w/ Injection Port

£25.00
Sale price  £25.00 Regular price 
Unicorn 10T INJ — Mushroom Grain Spawn Bag (Medium) w/ Injection Port

Unicorn 10T INJ — Mushroom Grain Spawn Bag (Medium) w/ Injection Port

Unicorn 10T INJ — Mushroom Grain Spawn Bag (Medium) w/ Injection Port

£30.00
Sale price  £30.00 Regular price 

Find your bag

Which bag is right for you?

Unicorn 4AUnicorn 10AUnicorn 14AUnicorn XLSAUnicorn 4TUnicorn 10TUnicorn 3TUnicorn XLST
TypeSubstrateSubstrateSubstrateSubstrateGrain spawnGrain spawnGrain spawnGrain spawn
CapacityUp to 1kgUp to 1.8kgUp to 3kgUp to 6.8kgUp to 1kgUp to 1.8kgUp to 3kgUp to 6.8kg
FilterA - 0.5 micronA - 0.5 micronA - 0.5 micronA - 0.5 micronT - 0.2 micronT - 0.2 micronT - 0.2 micronT - 0.2 micron
Best forStraw Pellets, Hardwood Pellets, Sawdust, Masters Mix, Soya Hulls & Wheat BranStraw Pellets, Hardwood Pellets, Sawdust, Masters Mix, Soya Hulls & Wheat BranStraw Pellets, Hardwood Pellets, Sawdust, Masters Mix, Soya Hulls & Wheat BranStraw Pellets, Hardwood Pellets, Sawdust, Masters Mix, Soya Hulls & Wheat BranRye, wheat, millet & popcorn grainsRye, wheat, millet & popcorn grainsRye, wheat, millet & popcorn grainsRye, wheat, millet & popcorn grains
Size4" × 3" × 18"10 × 8 × 46 cm5" × 4" × 18"13 × 10 × 46 cm8" × 5" × 19"20 × 13 × 48 cm10" × 5" × 24"25 × 13 × 61 cm4" × 3" × 18"10 × 8 × 46 cm5" × 4" × 18"13 × 10 × 46 cm8" × 5" × 19"20 × 13 × 48 cm10" × 5" × 24"25 × 13 × 61 cm
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All bags are 3.0 mil polypropylene — autoclave & pressure cooker safe at 121°C / 15 PSI