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Super Fine Gypsum Powder – Food Grade
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Super Fine Gypsum Powder – Food Grade

£5.59

4.8 (127 reviews)
In Stock
Fast Delivery

🔬 Product Overview

Our Super Fine Gypsum Powder is a food-grade mineral additive designed to optimize pH levels and enhance nutrient availability in mushroom substrates and brewing applications. Rich in calcium carbonate and sulfur, this powder acts as a pH buffer, stabilizing your substrate environment and promoting vigorous mycelial growth.

✨ Features & Benefits

  • ⚖️ pH Stabilization

Buffers acidic substrates and maintains near-neutral pH for optimal mycelium development.

  • 🌱 Mineral Enrichment

Supplies calcium and sulfur — essential for fruiting and metabolic activity.

  • 🧪 Ultra-Fine Texture

Mixes easily into grain, sawdust, straw, coffee grounds, and compost.

  • 🍺 Homebrewing-Ready

Improves wort clarity, hop balance, and malt extraction efficiency.

  • 🥄 Food Grade Quality

Safe for use in cultivation and fermentation — no additives or contaminants.

🍄 Mushroom Cultivation Usage

-Grain Spawn: Add 2% by volume weight

-Bulk Substrate: Add 5% by volume weight

-Mix thoroughly before sterilization or pasteurization

-Enhances yield and reduces contamination risk

⚠️ Important Reminder

Always measure gypsum accurately and mix evenly. Excessive use may alter substrate or wort chemistry. Store in a dry place and reseal after use.

🛒 Elevate Your Cultivation & Brewing

Whether you're growing gourmet mushrooms or crafting the perfect IPA, this gypsum powder delivers the mineral balance and pH control your process demands.

Fast shipping

•Food-grade purity

•Expert support included

100% Natural
Premium Quality
Fast Growing
Beginner Friendly
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What's Included

Resealable Pouch of Super Fine Gypsum Powder
- Support Access – expert guidance for application in cultivation or fermentation

Specifications

Composition:Calcium sulfate (CaSO₄) with trace minerals
Form:Ultra-fine powder
Application:Mushroom cultivation, brewing, composting
Shelf Life:12–18 months if stored in cool, dry conditions

Customer Reviews

Sarah M.
2 days ago

Excellent quality! The mushrooms grew quickly and the taste is incredible.

John P.
1 week ago

First time growing mushrooms and it was super easy following the instructions.

Anna L.
2 weeks ago

Very good product, I'm already on my second harvest. Highly recommend!