Pacific Substrates

Designed to meet the needs of all levels of growers by making commercial-quality materials available at lower cost, Pacific Substrates utilizes efficient procedures to create these blends of mushroom compost and spawn and bring superior products to the market.
Paddy Poo™ is a broad range compost-based substrate mix that will help you grow incredible mushrooms. This blend promotes increased yields and provides the ideal nutrients for compost-loving mushroom varieties.
Goonie Grains™ is a production-ready grain spawn mix to help you grow thriving mycelium. This oat and sorghum blend maximizes inoculation points and is ideal for grain masters and bulk transfers.

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