---
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: "€ 33.04"
currency: EUR
in_stock: true
reviews_count: 9
category: "Mycology Basics"
url: https://www.desertcart.it/products/520610619-1-0-20-0-lbs-mycology-basics-bulk-ultra-fine
store_origin: IT
region: Italy
---

# 100% water soluble ultra-fine powder 97% pure Calcium Sulfate Dihydrate HEPA-sealed for contamination-free sterility (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:** € 33.04
**Availability:** ✅ In Stock

## Summary

> 🌱 Elevate your grow game with lab-grade purity and sterile precision!

## 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?** € 33.04 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/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

- • **Versatile Use:** Perfect for mushroom substrates, brewing, tofu thickening, and organic gardening.
- • **Lab-Grade Purity:** Ultra-fine gypsum with 97% Calcium Sulfate Dihydrate ensures unmatched substrate quality.
- • **Sterile Packaging:** HEPA-filtered enclosure guarantees zero contamination for flawless mushroom cultivation.
- • **Enhanced Crop Yields:** Boosts soil structure and nutrient retention, driving healthier, more productive plants.
- • **Resealable Convenience:** Professional packaging keeps powder fresh and clump-free for repeated use.

## Overview

Mycology Basics Bulk Ultra-Fine Lab Grade Gypsum is a 1 lb pack of 97% pure Calcium Sulfate Dihydrate powder, 100% water soluble and free of additives. Packaged in a HEPA-filtered sterile enclosure, it minimizes contamination risks, making it ideal for mushroom substrates, organic gardening, brewing, and food applications. Its resealable bag preserves freshness and powder consistency, enhancing soil structure and 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: Repeat customer - Great quality. I’ve bought gypsum from them several times and I will again.

## 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 | #25,695 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #827 in Garden Fertilizers |
| Brand Name | Mycology Basics |
| Coverage | 1000 |
| Customer Reviews | 4.7 4.7 out of 5 stars (474) |
| Global Trade Identification Number | 00850037130221 |
| Included Components | Resealable bag, Organic 100% Pure Gypsum |
| Item Form | Powder |
| Item Weight | 16 ounces |
| Manufacturer | DRMyc |
| Model Number | B0BZJQNDHN |
| Number of Items | 1 |
| Part Number | MycoBasics-Gyp1 |
| Specific Uses For Product | Organic |
| Target Species | mushrooms |
| Unit Count | 20 Ounce |

## Product Details

- **Brand:** Mycology Basics
- **Global Trade Identification Number:** 00850037130221
- **Item Form:** Powder
- **Item Weight:** 16 ounces
- **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)
![(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 2](https://m.media-amazon.com/images/I/61VzE4faz0L.jpg)
![(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 3](https://m.media-amazon.com/images/I/71RCy5LxiwL.jpg)
![(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 4](https://m.media-amazon.com/images/I/61w210d4pCL.jpg)

## Available Options

This product comes in different **Size** options.

## 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

### ⭐⭐⭐⭐⭐ Repeat customer
*by Z***S on February 18, 2026*

Great quality. I’ve bought gypsum from them several times and I will again.

### ⭐⭐⭐⭐⭐ 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 Italy*
*Store origin: IT*
*Last updated: 2026-05-09*