8 ingredients specifically designed to give you the biggest and best yields of your life!
After many months of reading research papers, side by side tests, testing recipes and sourcing the best ingredients, we are excited to release this to our customers.
Each ingredient has been chosen for a specific reason - to get the quickest, biggest and best flushes as humanly possible.
Coco Coir - the building block of any good substrate
Straw - source of carbohydrates for your mycelium to thrive on
Bat Guano - broad source of nutrients your mushrooms will thank you for
Worm Castings - broad source of minerals including phosphorus, magnesium, potassium, and calcium
Coffee - potent nitrogen source required for healthy and vigorous growth
Vermiculite - provides optimal moisture retention for multiple flushes
Gypsum - adds extra food for your mycelium as well as balances pH, preventing contamination
Water - filtered through a 5 stage system
How much do I need?
We recommend mixing around 1kg of grain spawn to 1 tub of Substr8.
100 Day Money Back Guarantee
We offer a 100 day money back guarantee on this item, as well as any other items purchased at the same time. If for any reason you are not happy please get in touch with us: support[at]williamscosupplies.com
- Weight: 1.7kg
- Volume: 5 litres
- Ready to use: Yes
- Field capacity: Yes
- Storage: up to 3 weeks in the fridge or 6 months in thr freezer
"This stuff is unlike anything I have ever seen. The mycelium goes nuts and it seems have built in contam resistance. I cannot rate this highly enough. Seemed expensive but wow you get what you pay for!"
Stuart P, UK
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: email@example.com and we will do our best to help you.
- Choosing a selection results in a full page refresh.
- Press the space key then arrow keys to make a selection.