---
product_id: 533998735
title: "97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate"
brand: "olympus myco"
price: "€ 15.02"
currency: EUR
in_stock: false
category: "Olympus Myco"
url: https://www.desertcart.ie/products/533998735-97-pure-gypsum-powder-1-lb-high-solubility-calcium-sulfate
store_origin: IE
region: Ireland
---

# enhances root & mycelium growth high solubility for fast soil absorption 97%+ purity calcium sulfate 97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate

**Brand:** olympus myco
**Price:** € 15.02
**Availability:** ❌ Out of Stock

## Summary

> 🌿 Elevate your soil game—because thriving roots never go out of style!

## Quick Answers

- **What is this?** 97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate by olympus myco
- **How much does it cost?** € 15.02 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/533998735-97-pure-gypsum-powder-1-lb-high-solubility-calcium-sulfate)

## Best For

- olympus myco enthusiasts

## Why This Product

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

## Key Features

- • **Premium 97% Pure Gypsum:** Ultra-clean calcium sulfate for optimal soil health
- • **Balances Moisture Retention:** Keeps soil hydrated without sogginess for consistent growth
- • **Boosts Root & Mycelium Vitality:** Unlock stronger plant roots and thriving mushroom cultures
- • **Optimizes Soil Texture & Airflow:** Prevents compaction, ensuring breathable, loose soil
- • **Versatile Garden & Grow Solution:** Perfect for lawns, gardens, and mushroom substrates alike

## Overview

Olympus Myco 97% Pure Gypsum Powder is a premium calcium sulfate dihydrate soil amendment designed to improve soil structure, enhance air circulation, and boost plant and mushroom growth. Its high solubility ensures rapid absorption, promoting balanced moisture retention and preventing soil compaction. Ideal for gardens, lawns, and mushroom substrates, this 1 lb pack supports healthier roots and vibrant growth with solution-grade purity.

## Description

desertcart.com : Olympus Myco 97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate : Patio, Lawn & Garden

## Features

- Improves Soil & Substrate Structure: Prevents compaction and enhances air circulation for healthier roots and mushroom mycelium. Ideal for gardens, lawns, and grow operations.
- Boosts Plant and Mushroom Growth: High-purity gypsum for gardening delivers essential calcium and sulfur while maintaining a balanced pH for vibrant, thriving plants.
- Enhances Water Retention: Promotes even moisture distribution, helping soil and substrate stay hydrated without becoming oversaturated or soggy.
- Reduces Clumping & Improves Texture: Our garden gypsum loosens soil and substrate for better airflow, stronger root development, and healthier mushroom cultivation.
- Solution-Grade Purity (97%-99%): Premium gypsum soil amendment rich in calcium sulfate dihydrate to improve soil structure, reduce erosion, and support robust growth.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C5K2SSP1 |
| Best Sellers Rank | #4,451 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #220 in Garden Fertilizers |
| Item Weight | 1 pounds |
| Item model number | 1 lb |
| Manufacturer | Olympus Myco |
| Package Dimensions | 8.62 x 6.02 x 2.36 inches |

## Product Details

- **Brand:** Olympus Myco
- **Item Weight:** 1 Pounds
- **Style:** Industrial
- **UPC:** 810102551542

## Images

![97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate - Image 1](https://m.media-amazon.com/images/I/71jCl3PWjjL.jpg)
![97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate - Image 2](https://m.media-amazon.com/images/I/71ExJKOgMrL.jpg)
![97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate - Image 3](https://m.media-amazon.com/images/I/81e2qJEaLtL.jpg)
![97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate - Image 4](https://m.media-amazon.com/images/I/71d6pSM5rlL.jpg)
![97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate - Image 5](https://m.media-amazon.com/images/I/71MyPZeUGkL.jpg)

## Available Options

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

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- Olympus Myco 97% Pure Gypsum Powder, 1 lb – High Solubility Calcium Sulfate Dihydrate for Soil, Gardens, Lawns, and Mushroom Substrate
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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-04*