Pre-Measured Mushroom Substrate 4-Pack

Skip the guesswork. Get four ready-to-hydrate substrate bags — perfectly blended and pre-measured so you can focus on growing, not prep.

 

What's Inside Each Bag?

Each bag contains a carefully measured blend of:

Soy hull pellets — nutrient-rich fuel for fast colonization

Hardwood pellets — the structural backbone of a quality substrate

A splash of alfalfa — a natural nitrogen boost to support vigorous mycelium growth

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Key Details

✅ 4 pre-measured bags per order

✅ ~2 lbs dry weight per bag

✅ Add 3 lbs of water per bag → yields a ~5 lb hydrated mushroom block

✅ Just add water — no measuring, no mixing from scratch

⚠️ Mushroom spawn and grow bags are not included

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Why Growers Love It

“If you’ve ever grown mushrooms you will enjoy the growth you get from this mix. With this method, it makes it extremely easy… I have bought several different things from him with nothing but 100% satisfaction.”
— Cody ⭐⭐⭐⭐⭐

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