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

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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 
Unicorn 3B — Mushroom Substrate Fruiting Bag (Large) *high gas exchange*

Unicorn 3B — Mushroom Substrate Fruiting Bag (Large) *high gas exchange*

Unicorn 3B — Mushroom Substrate Fruiting Bag (Large) *high gas exchange*

£15.00
Sale price  £15.00 Regular price 
Unicorn XLSB — Mushroom Substrate Fruiting Bag (Extra Large) *high gas exchange*

Unicorn XLSB — Mushroom Substrate Fruiting Bag (Extra Large) *high gas exchange*

Unicorn XLSB — Mushroom Substrate Fruiting Bag (Extra Large) *high gas exchange*

£25.00
Sale price  £25.00 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 

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 3BUnicorn XLSBUnicorn 4TUnicorn 10TUnicorn 3TUnicorn XLST
TypeSubstrateSubstrateSubstrateSubstrateSubstrateSubstrateGrain spawnGrain spawnGrain spawnGrain spawn
CapacityUp to 1kgUp to 1.8kgUp to 3kgUp to 6.8kgUp 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 micronB - 5 micronB - 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 BranHigh gas exchange requirementsHigh gas exchange requirementsRye, 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 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 polypropylene — autoclave & pressure cooker safe at 121°C / 15 PSI