---
product_id: 520610619
title: "(1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms, Food Grade, No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs)"
brand: "mycology basics"
price: "€ 32.97"
currency: EUR
in_stock: true
reviews_count: 8
category: "Mycology Basics"
url: https://www.desertcart.es/products/520610619-1-0-20-0-lbs-mycology-basics-bulk-ultra-fine
store_origin: ES
region: Spain
---

# 100% water soluble ultra-fine powder 97% pure Calcium Sulfate Dihydrate HEPA-filtered sterile packaging (1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms, Food Grade, No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs)

**Brand:** mycology basics
**Price:** € 32.97
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your grow game with lab-grade gypsum that pros trust!

## Quick Answers

- **What is this?** (1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms, Food Grade, No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs) by mycology basics
- **How much does it cost?** € 32.97 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/520610619-1-0-20-0-lbs-mycology-basics-bulk-ultra-fine)

## Best For

- mycology basics enthusiasts

## Why This Product

- Trusted mycology basics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Resealable Freshness Seal:** Professional packaging keeps powder fine and ready for repeated use without loss of quality.
- • **Versatile Food-Grade Formula:** Perfect for mushroom substrates, brewing, tofu thickening, and organic gardening.
- • **Boost Your Harvest & Soil Health:** Enhances soil structure, moisture retention, and crop yields while reducing nutrient runoff.
- • **Lab-Grade Purity for Peak Performance:** Ultra-fine gypsum with 97% Calcium Sulfate Dihydrate ensures unmatched substrate quality.
- • **Sterile Packaging for Zero Contamination:** HEPA-filtered enclosure guarantees your mushroom cultures stay pristine and clump-free.

## Overview

Mycology Basics Bulk Ultra-Fine Lab Grade Gypsum is a premium, 97% pure Calcium Sulfate Dihydrate powder, packaged in a sterile HEPA-filtered environment to prevent contamination. This food-grade gypsum is 100% water soluble and ideal for mushroom substrates, brewing, tofu thickening, and organic gardening. Its resealable packaging preserves freshness and powder consistency, while its proven benefits include improved soil structure, moisture retention, and increased crop yields.

## Description

desertcart.com : (1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms, Food Grade, No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs) : Patio, Lawn & Garden

Review: Great price. Trustworthy brand - Great product! Everything is amazing about it. The value, the functionality, plant growth, moisture retention. I can't tell you enough if you use it for Mass use. It's very well and if you can find other uses for it, I'm definitely for the size and quantity you're getting. It's unmatchable plus it's trustworthy brand
Review: Great quality - Definitely recommend great product will be buying more

## Features

- Included: Myco Basics Gypsum is the highest grade of organic gypsum available, containing 97% Calcium Sulfate Dihydrate, 22.5% calcium & 18% sulfur. Our Gypsum is 100% water soluble and a fine powder, without residue or excessive impurities
- Ideal for Mushroom Substrates: Our Gypsum is packaged in a humidity controlled HEPA enclosure, meaning chances of contamination, clumping & other issues are greatly reduced
- Improves Soil Structure: Organic Garden Gypsum has been demonstrated to increase crop yields drastically, and can, when used with Garden Lime, reduce nutrient runoff and increase soil food web quality
- Resealable Bag: Our Gypsum is professionally packaged and sealed, meaning the Gypsum will remain as a fine powder and can be resealed for later use
- Use with Brewing or Tofu: Our gypsum is great for use with brewing, as a Tofu thickener, or in any number of food related recipes that require a thickener

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BZJQNDHN |
| Best Sellers Rank | #9,123 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #374 in Garden Fertilizers |
| Brand | Mycology Basics |
| Date First Available | March 25, 2023 |
| Global Trade Identification Number | 00850037130221 |
| Item Form | Powder |
| Item Weight | 1 pounds |
| Item model number | B0BZJQNDHN |
| Manufacturer | DRMyc |
| Number of Items | 1 |
| Package Dimensions | 8.78 x 5.83 x 2.09 inches |
| Specific Uses For Product | Organic |
| Unit Count | 20 Ounce |

## Product Details

- **Brand:** Mycology Basics
- **Global Trade Identification Number:** 00850037130221
- **Item Form:** Powder
- **Item Weight:** 1 Pounds
- **Specific Uses For Product:** Organic

## Images

![(1.0-20.0 lbs) Mycology Basics - Bulk Ultra-Fine Lab Grade Gypsum for Mushrooms, Food Grade, No Additives - Packaged in HEPA filtrated Enclosure for Sterility (1.0 lbs) - Image 1](https://m.media-amazon.com/images/I/51gAvXElP-L.jpg)

## Questions & Answers

**Q: How much do I mix in 1 gallon to water into the soil in organic agriculture applications?**
A: For soil drench applications we recommend 25 grams per gallon, and for foliar spray applications we recommend 7 grams dissolved in warm water per gallon.
Thanks,
John

**Q: Can this be used in foliar spray applications / organic agriculture spray?  If so, what is amount to mix in 1 gal?**
A: Absolutely, it will work very well as a foliar spray. You will want to mix in 1/2 a tsp or 3.0 grams per gallon of water - we recommend using non-chlorinated water where available.
Thanks,
John

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great price. Trustworthy brand
*by M***P on July 25, 2025*

Great product! Everything is amazing about it. The value, the functionality, plant growth, moisture retention. I can't tell you enough if you use it for Mass use. It's very well and if you can find other uses for it, I'm definitely for the size and quantity you're getting. It's unmatchable plus it's trustworthy brand

### ⭐⭐⭐⭐⭐ Great quality
*by F***K on January 18, 2026*

Definitely recommend great product will be buying more

### ⭐⭐⭐⭐⭐ No complaints!
*by M***N on August 8, 2025*

I bought this to make silken tofu and it worked perfect! The seal on the bag is really good and I don’t have to worry about it leaking.

## Frequently Bought Together

- Ultra-Fine Lab Grade Gypsum for Mushroom Substrates, Brewing, Tofu - No Additives, 97% Calcium Sulfate 22.5% Calcium (Ca) 18% Sulfur (S) - Packaged in HEPA Enclosure
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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-23*