BROWN FRIDAY SALE: 20% off orders of $35 or more from 11/15 at 12pm to 11/30 at 11:59pm (eligible items only).

New Exclusive Product! Check out the new Myco Lid Pro™ for liquid culture applications!

Bulk orders and wholesale pricing available - contact us for inquiries!

Collection: Willy's Blend

Exclusive Willy's Blend Brown Treasure products.

Willy's Blend Manure Substrate (5lb Bag)

Willy's Blend Manure Substrate (5lb Bag)

21 total reviews

Regular price From $39.99 USD

Regular price ~~$39.99 USD~~ Sale price From $39.99 USD
Unit price per
Willy's Blend, Dry Substrate Mix (5 Gallons)

Willy's Blend, Dry Substrate Mix (5 Gallons)

6 total reviews

Regular price $74.99 USD

Regular price Sale price $74.99 USD
Unit price per
Willy's Blend, Manure-based, All-in-One Bag

Willy's Blend, Manure-based, All-in-One Bag

20 total reviews

Regular price From $39.99 USD

Regular price ~~$39.99 USD~~ Sale price From $39.99 USD
Unit price per