How much do I need?
We recommend a substrate depth of around 8cm at a 4:1 substrate to spawn ratio. Here are some quick conversions to help.
Click here to work out how much substrate you need with our substrate calculator.
1kg grain = 2 litres
700g substrate = 2 litres
How do I use it?
This pasteurised substrate is ready to use, making the whole spawn to bulk process extremely easy. Simply open up the heat sealed bag and mix with your colonised grains. Each batch is made to order to ensure freshness.
- Coco Coir
- Food Grade Gypsum
Casing Layer Option
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Your order will be sent with Royal Mail or Parcelforce, you will receive an email once it has been dispatched. Orders are dispatched within 2 days unless stated otherwise. Plain packaging.
30 Day Money Back Guarantee
We offer a money back or replacement guarantee on all of our products. To claim your replacement or refund please send us photos of the issue to: firstname.lastname@example.org and we will do our best to help you.
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