---
product_id: 718651682
title: "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"
brand: "mycology basics"
price: "370 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Mycology Basics"
url: https://www.desertcart.ro/products/718651682-ultra-fine-lab-grade-gypsum-for-mushroom-substrates-brewing-tofu
store_origin: RO
region: Romania
---

# Boosts soil & crop yield 97% pure Calcium Sulfate HEPA-sealed contamination control 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

**Brand:** mycology basics
**Price:** 370 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your grow & brew game with lab-grade purity!

## Quick Answers

- **What is this?** 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 by mycology basics
- **How much does it cost?** 370 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/718651682-ultra-fine-lab-grade-gypsum-for-mushroom-substrates-brewing-tofu)

## 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

- • **Lab-Grade Purity:** Ultra-fine 97% Calcium Sulfate powder ensures flawless substrate integration without clumps or residue.
- • **Soil Health Booster:** Enhances soil structure and nutrient retention, driving higher crop yields and sustainable growth.
- • **Resealable Convenience:** Professional resealable bag keeps powder fresh and ready for repeated use, eliminating waste.
- • **Contamination-Proof Packaging:** Sealed in a humidity-controlled HEPA enclosure to guarantee zero contamination and maximum freshness.
- • **Versatile Culinary & Cultivation Use:** Perfect for mushroom substrates, brewing, and tofu thickening—one product, endless possibilities.

## Overview

Myco Basics Ultra-Fine Lab Grade Gypsum delivers 97% pure Calcium Sulfate with 22.5% calcium and 18% sulfur, packaged in a HEPA-filtered enclosure to prevent contamination. Ideal for mushroom substrates, brewing, tofu making, and organic gardening, it enhances soil structure and crop yields while offering a resealable, residue-free fine powder for professional and home use.

## Description

Myco Basics sets the industry standard for high quality, organicically & ethically source Mycology Products. Our lab-grade gypsum is 100% pure, without clumps, lumps or granulation that makes it hard to break up and use in substrates or grainspawn. Our Gypsum is also packaged in a HEPA filtrated enclosure, meaning it will not contam your mushroom grow.

Review: 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: 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.

## 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 |
| Batteries Included | No |
| Coverage | 1000 |
| Customer Reviews | 4.8 4.8 out of 5 stars (230) |
| Date First Available | 9 April 2025 |
| Item Form | Powder |
| Item Weight | 454 g |
| Manufacturer reference | MycoBasics-Gyp1 |
| Number of Items | 1 |
| Package Dimensions | 22.3 x 14.81 x 5.31 cm; 453.59 g |
| Size | 1.0 lbs |
| Special Features | organic |
| Specific Uses | Organic |
| batteries required | No |

## Product Details

- **Brand:** Mycology Basics
- **Global Trade Identification Number:** 00850037130221
- **Item form:** Powder
- **Item weight:** 454 g
- **Specific uses for product:** Organic

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/51dAEGwzKqL.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

### ⭐⭐⭐⭐⭐ Review
*by M***P on 25 July 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

### ⭐⭐⭐⭐⭐ Review
*by M***N on 8 August 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.

### ⭐⭐⭐⭐ Review
*by J***R on 24 August 2025*

Works fine

## Frequently Bought Together

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-23*