Item Number: F1153
Diamond K Solution Grade Gypsum (50 lb)
Organic-Friendly Gypsum Powder for Improved Soil Health
Diamond K Premium 97 Solution Grade Gypsum (50 lbs)
Improve soil structure, enhance water infiltration, and boost plant health with high-purity powdered gypsum.
Diamond K Solution Grade Gypsum (50 lbs) is a premium, finely milled gypsum powder ideal for both home gardens and commercial organic farms. With 97% pure calcium sulfate dihydrate, this Diamond K gypsum dissolves easily for rapid and effective results, whether applied dry or through irrigation systems.
Perfect for compacted or poorly draining soils, this powdered gypsum improves aeration, supports root development, and contributes vital nutrients—calcium and sulfur—for healthier plants and more productive growing environments.
Key Features of Diamond K Solution Gypsum (50 lbs)
- 97% Pure Calcium Sulfate Dihydrate
- Guaranteed Analysis: 22% Calcium, 18% Sulfur
- Ultra-Fine Powder: 92% passing through a 325 mesh screen
- OMRI Listed: Approved for certified organic use
Benefits of Using Diamond K Gypsum Powder
- Loosens Compacted Soil
Breaks up clay and heavy soils, allowing roots to expand and access oxygen and nutrients more efficiently. - Enhances Water Penetration & Retention
Ideal for gardens and farms prone to runoff or poor drainage. This Diamond K Solution gypsum increases water-holding capacity while improving drainage. - Boosts Organic Fertility
Delivers essential calcium and sulfur—two nutrients critical for plant metabolism and microbial activity in the soil. - Supports Sustainable Gardening
Free from synthetic additives, Diamond K gypsum is mined and processed using methods aligned with organic growing principles.
Looking to build a more resilient and fertile garden? Browse our full range of organic fertilizers and soil amendments to complement your soil health program.
How to Use Diamond K Solution Gypsum Powder
- Soil Application:
Apply 50–400 lbs per acre depending on soil condition and crop needs. Frequent light applications are often more effective than bulk applications of standard gypsum. - Foliar Spray:
Use 1–10 lbs per acre. Always dissolve completely before applying through sprayers or irrigation. - General Garden Beds:
Apply 5–10 lbs per 100 sq. ft. and mix into the topsoil for best results. - Container Plants:
Dissolve 1–2 tablespoons in 5 gallons of water and apply as a soil drench.
Why Choose Diamond K Solution Gypsum?
Whether you're working with clay-heavy garden beds, restoring soil after salinity exposure, or improving the effectiveness of your existing organic inputs, Diamond K Solution gypsum is a dependable, fast-acting amendment that delivers results. Its ultra-fine grind and high solubility make it ideal for use in fertigation systems and drip irrigation setups.
Each 50 lb bag is compact yet provides wide coverage for both small and large growing areas—perfect for farmers, landscapers, and home gardeners alike.
Enhance your soil health this season with Diamond K gypsum powder—your solution for compacted soils, poor drainage, and nutrient imbalances. Pair it with our full line of organic fertilizers and soil amendments for a thriving, chemical-free garden or farm.



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Since 1976, we've served our customers at every stage of growing. Please contact us at any time. We are happy to support and assist you.
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Does not qualify for Flat Rate Shipping.
Shipping Weight: 52.0 lb
Dimensions: 21.5"L x 15.5"W x 5.5"H
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Use Instructions
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It seems to work great on my ginger by providing the Calcium without raising the pH. And it was a great price too!
We’ve purchased many amendments from this company and they are all awesome! We are extremely pleased with how happy our plants are now that we are feeding them! We Highly recommend them!
Its Nice quality gypsum. Mushrooms seem to be doing very well.
I have been using this product for about 3 years now to clear up muddy pond water and it works wonders making water crystal clean. Have not found anything else I've tried as good and economically priced as this and peaceful valley gets it out right away all the way to Mississippi. Happy with their service
I know this product has alot of uses but I've been using it to clear up the water in my new pond until I get some grass growing around it. Every time we have a big rain it washes this red clay into it and kinda muddied or clouds up thr water to where my fish can't see how to eat. They are sight feeders and this product is harmless to fish and it works great. Better than anything I've tried and have used it a few times. My biggest problem is I'm in Mississippi & it's in California. I can't find it anywhere else and st a price I can afford. I love it. Really does the job