5LB / 2.2KG Pasteurised Manure Mushroom Bulk Substrate

Larger fruits, larger yields.

Manure based substrates have been shown to produce larger and much healthier mushrooms. Easily the best substrate for dung loving species!

Ready to use

We’ve done all the hard work, simply open up and mix with your spawn. Can be stored in the freezer for up to 6 months.

How much do I need?

We recommend mixing around 500g of colonised grain to every 2.2kg of substrate.

Professionally Pasteurised

Our computer controlled system keeps your substrate at 160 for 90 minutes, ensuring complete pasteurisation. No contaminants make it out alive.

Fun(gi) Facts.

• 5lb / 2.25kg manure based substrate
• 80/10/10 mix (manure, coir, vermiculite + gypsum)
• Plain packaging
• Can be stored in freezer for up to 6 months

Bulk Ordering

Please contact us via support@williamscosupplies.com if you wish to order more than 100 items. Nationwide delivery available.