Organic Masters Mix – Ready-to-Use Pasteurised Fruiting Substrate

£20.49

TVA incluse. Frais de livraison calculés à l’étape du paiement.

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3-5 working days• Expected to ship: August 05 - August 07, 2026

Size: 2.6kg

2.6kg 4kg

Pick up in store available at GL1 5RZ

Considered the holy grail of substrates, perfect for so many gourmet fungi.

I've been looking for a UK source of organic soya for this for ages, finally we have a 100% UK input masters mix.

Perfectly balanced nutrition, structure, PH and hydration.

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We only use official Unicorn Bags^TM for all of our grain and substrate products.

Storage

When your order arrives:

Take out of the packaging!

The number one cause of contamination is leaving bags in the original packaging for too long. Remove all sterile grain and substrate from the packaging when it arrives. Allow air to reach the white filters.

Check for damages

Before you get to work, have a quick check of all bags to ensure no splits or damage has occurred during transit. If you find any damages or issues

Get Support

Store in a cool dry place

Store grain and substrate in a cool dry place (not the fridge). Use by date on the bag although the highest chance of success comes from using the product at it's freshest.

Instructions for: