Gypsum Powder for Mushroom Substrate (1 lb) Lab Grade Garden Soil Amendment (Calcium Sulfate Dihydrate) Packaged in HEPA Enclosure
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HIGH · WAIT- Today
- £23.28
- Usual price
- £21.91
- 12-month low
- £18.42 30 Aug
We have 57 price readings for the Gypsum Powder for Mushroom Substrate (1. At £23.28, it sits 6% above its average of £21.91. It has been cheaper (£18.42) — set a price watch and we'll email you if it drops.
Dropped 15% or more 4 times in the last 12 months.
Based on 57 days of prices we recorded over the last 12 months.
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£419.99
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%): First-class gypsum soil amendment rich in calcium sulfate dihydrate to improve soil structure, reduce erosion, and support robust growth.
More details
Product Description
Olympus Myco premium-grade gypsum powder is a vital ingredient in creating the ideal substrate for mushroom cultivation. It is also a rich source of calcium and sulfur, which are essential nutrients for healthy mushroom growth. Additionally, our gypsum powder improves water retention, regulates moisture levels, and prevents clumping, resulting in better air circulation. Our solution grade gypsum is a high-purity form of gypsum that is finely ground and designed to quickly dissolve in water. It is an ideal soil amendment that can improve soil structure, reduce soil erosion, and supply essential nutrients such as calcium and sulfur to plants and mushrooms. In addition, solution grade gypsum can be used in industrial processes as a source of calcium and sulfur. Whether you're a beginner or an experienced mushroom cultivator, our gypsum powder is an essential component of your mushroom growing kit, helping to promote robust and healthy mushrooms.
Safety Warning
May cause irritation if inhaled. Avoid contact with skin and eyes. Do not ingest. Use with proper safety measures and dilution when handling. Keep out of reach of children and pets.
| Package Dimensions | 21.89 x 15.29 x 5.99 cm; 453.59 g |
|---|---|
| Part number | OM-GYPSUM1LB |
| Item volume | 1 Litres |
| Manufacturer | Olympus Myco |
| Item model number | 1 lb |
| ASIN | B0C5K2SSP1 |
| Weight | 1 |
| EAN / Barcode | 0810102551542 |
Frequently Asked Questions
1Is £23.28 a good price for the Gypsum Powder for Mushroom Substrate (1?
Not right now. £23.28 is 6% above its usual £21.91 over the last 12 months, and it has been as low as £18.42.
2What's the lowest price for the Gypsum Powder for Mushroom Substrate (1 in the last 12 months?
£18.42, on 30 Aug. Today's price is £4.86 higher.
3How often does the Gypsum Powder for Mushroom Substrate (1 change price?
We recorded 49 price changes across 50 checks since 20 Dec 2025, including 4 drops of 15% or more in the last 12 months.
4Should I wait for the Gypsum Powder for Mushroom Substrate (1 to drop in price?
If you can, wait. It's above its usual price — set a price watch at £21 and we'll email you when it drops.
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