Mushroom Grow Containers (SacO2, Microbox) Mushroom Grow Containers (SacO2, Microbox) £1.00 – £3.00 inc. VAT

Mushroom Grow Bags (Unicorn)

(3 customer reviews)

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.

Please review the drop-down sections below before placing your order, especially product lead-times if stated.

+ Technical Information
+ Shipping & Returns

FREE SHIPPING AVAILABLE ON ALL ORDERS OVER £50

Orders are typically dispatched on the same or next working day. However, please allow up to 3 working days for dispatch, plus any additional product lead times, especially during busy periods.

We ship our products in plain, unbranded, reinforced cardboard boxes with ample internal protection.

Our shipping couriers may leave parcels with a neighbor or in a safe place if no one is home to receive them. To prevent this, please select the designated signed-for service at checkout and ensure you are available to receive the parcel. Otherwise, the package will be held at your local sorting office or returned to us. Please note that we cannot be held responsible for lost, stolen, or missing parcels if the signed-for service is not chosen at checkout.

Larger orders that require multiple boxes will automatically be upgraded to DPD Local shipping, as they support multi-parcel shipments. Extremely large or heavy orders may need to be dispatched via a pallet.

If items are returned to us due to a failed delivery, a redispatch or restocking fee may apply. Please ensure that any held packages are collected from your local sorting office within 2 weeks to avoid them being returned.

We highly recommend upgrading to the ‘DPD Express Tracked’ service at checkout, as we find it to be the fastest, safest, and most reliable option. Please note that Royal Mail may occasionally experience delays in their sorting offices.

For more details, please refer to our shipping, returns and replacements policy.

This product is currently out of stock and unavailable.

Shipping & Returns info | Free Shipping Available Over £90 🚀
⇓ More product information below ⇓

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5-Star Customer Testimonials

Over 2,300 rave reviews and counting! Here's a random selection (different on every page)...

Best spawn bags on UK market! I've ordered couple of times from Maya and was never disappointed! Quality bags, quality packaging & best customer service! 5/5 👍🏼👍🏼

⭐⭐⭐⭐⭐Kamilo Kamil on Google

Delivery, quicker than expected. High quality product as well. Very pleased with the purchase. Many thanks. 😀

⭐⭐⭐⭐⭐Dan Eggleton on Google

k, speedy delivery, I wouldn't go anywhere else for my mycology needs. Thank you so much.

⭐⭐⭐⭐⭐Steve on Trustpilot

Thanks for answering my query ahead or ordering and providing high quality, fully sterile grain bags and substrate. Good value, allowing me to grow which saved me money on what would have been more expensive to buy.

⭐⭐⭐⭐⭐Mark Brownsmith on Google

Unicorn Mushroom Bags & Filters Explained – https://www.youtube.com/watch?v=1kp7tcAJ_kc

 

Mushroom Growing Bags (Unicorn) FAQ

Answers to frequently asked questions.

How will my product be packaged and shipped?

We invest significant time and resources to ensure our parcels are securely packaged and reach you safely and undamaged.

If your item requires a box, it will be shipped in a discreet, plain, sturdy, double-walled cardboard box of appropriate size, with unbranded packaging tape and ample internal protection to prevent damage during transit. While accidents are rare, they can occasionally happen.

Smaller, sturdy, and lightweight items will be sent in plain, unbranded padded envelopes.

All pallet orders are professionally strapped, wrapped, and equipped with corner protectors.

We also strive to minimize excessive packaging to help protect the environment.

Scroll down to see a section on our Shipping & Returns info, with links out to our policies

Can you do custom and bespoke orders?

Yes, we can accommodate your needs for any custom orders, substrate / grain mixes, special requests etc. Generally speaking, anything which is considered to be a custom order will have a bespoke price. Please contact us to discuss options.

Do you accept cash payments?

As an online-focused business, we prefer digital payments. However, for orders over £500, we do accept cash payments. Please contact us to process your order and arrange collection.

Can I collect my order from your facility?

We do not provide a standard collection service for orders under £500. If your order exceeds £500 and you wish to collect it, please contact us. Please note that, due to our insurance policies, we are unable to allow public access to our warehouse or offer tours of our facilities.

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

 

SHIPPING & RETURNS INFO

No fuss Shipping, Returns & Guarantee.

  • We aim to dispatch orders within 2 working days (Monday-Friday)
  • Free shipping option for orders over £50.00 - Shipping Policy
  • No questions asked returns & refunds policy - Returns & Refunds Policy

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PRODUCT REVIEWS

3 reviews for Mushroom Grow Bags (Unicorn)

  1. Snake Eyes –

    Industry standard bags at a good price. Options to buy in small quantities is very nice

  2. 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 😀

  3. 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

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