Mushroom Growing Bags (Unicorn)
£10.50 – £156 (incl. VAT)
Unicorn mushroom growing bags are made in the USA and used extensively in mushroom production facilities world-wide.
Unicorn bags offer specialist single patch air filters on each of the bags which provide perfect air exchange volumes whilst filtering out contaminants
We offer the a number of the most popular types of mushroom grow bags, the Unicorn 14#/14A, 3T, 10T-Injection, 4T-Injection, XLS-B and even Unicorn bag clamps.
All bags are made from premium polypropylene with a single breathable filter patch, some with injection ports, for spawn or substrate. We also offer larger multi-filter SacO2 bags.
- Unicorn bags are the industry leader and are used world-wide by commercial mushroom growing operations
- Developed and produced by an established company with a good reputation.
- Suitable for both substrate and spawn production (depending on filter)
- Can be opened by hand or by automated substrate bagging machines
- Easy to heat seal
- Can be reused (though not recommended)
- Suitable for autoclave sterilisation up to 135°C (275°F).
See below for full bag specs.
Free Delivery on all orders over £40.
Backed by our 100% Satisfaction Guarantee.
£10.50 – £156 (incl. VAT)
Frequently Bought Together
Join our Private Mushroom Cultivation Facebook Group
...and learn to grow mushrooms like a super hero!
100% Free to join + Free advice from our experts & the community!
Unicorn Mushroom Bag Specifications
Unicorn 14#/14A – Colonisation of wood based substrates.
– 20cm x 13cm x 48cm (8″ x 5″ x 19″)
– Can hold up to 3 kg of medium
– Side Gussetted
– Type 14#/14A has a 0.5 micron Polypropylene filter
– 2.2mil Polypropylene bag
Unicorn 3T – Most suitable for bulk spawn production
– 20cm x 13cm x 48cm (8″ x 5″ x 19″)
– Can hold up to 3kg of medium
– Side gussetted
– Type 3T has a 0.2 micron, high-efficiency PTFE/Polypropylene filter
– 2.2mil Polypropylene bag
Unicorn XLS-B – Most suitable for fruiting block production
– 25cm x 13cm x 61cm (10″ x 5″ x 24″)
– Can hold up to 5.5kg of medium
– Side gussetted
– Type XLS-B has a 5 micron, Polypropylene filter
– 3.0mil Polypropylene bag
Unicorn 10T-inj – Suitable for spawn and substrate production with liquid cultures
– 13 x 10 x 46cm (5 x 4 x 18 inches) in size
– Can hold up to 1.5 kg of medium
– Side gussetted
– Type 10T has a 0.2 micron, high-efficiency PTFE/Polypropylene filter
– 3.0mil Polypropylene bag
Unicorn 4T-inj – Suitable for spawn and substrate production with liquid cultures
– 10 x 8 x 46cm (4 x 3 x 18 inches) in size
– Can hold up to 1 kg of medium
– Side gussetted
– Type 10T has a 0.2 micron, high-efficiency PTFE/Polypropylene filter
– 3.0mil Polypropylene bag
Unicorn Bag Clamps
– 16″ in length, can be cut in half to fit smaller bags
– Made of polypropylene, autoclave safe
Unicorn Mushroom Bags & Filters Explained
Mike –
Genuine unicorn bags in popular bag sizes. I go through 100's of these a month so good to find a reliable seller. 2 days to be delivered and well packaged. Thanks
JAR –
genuine supplier, lowest bulk price i could find including delivery. you also get a couple of free sample products to try and a chocolate bar! Tasty 😀
Snake Eyes –
Industry standard bags at a good price. Options to buy in small quantities is very nice