Greenway Biotech Gypsum
Best soil amendment for gardeners managing heavy clay or salt-affected ground.
This is the ultimate fix for heavy clay or salt-damaged soil that refuses to drain. It works by physically restructuring your garden beds without shifting the pH, giving you a neutral, high-performance foundation for roots to thrive.
$19.99
at
Greenway Biotech
Who it's for
- Gardeners struggling with dense, compacted clay soil
- Growers needing calcium and sulfur for plant health
- Homeowners reclaiming soil damaged by high salt levels
Who should skip it
- Farmers working with already loose or sandy soil types
- Gardeners specifically looking to raise soil pH levels
- Users sensitive to dust or lacking specialized spreading tools
Performance breakdown
Soil Amendment Efficacy
Highly effective at breaking down heavy clay and reclaiming sodic soil.
Application Versatility
Water-soluble powder format allows for seamless integration into existing irrigation routines.
Nutrient Profile
Delivers essential calcium and sulfur without disrupting delicate soil pH levels.
Organic Compliance
OMRI listing ensures complete safety for organic gardening and food production.
Ease of Integration
Broadcast application makes it simple to treat large lawns or gardens.
Manufacturing Quality
California-mined and third-party tested for consistent, reliable mineral purity.
Key Specs
Composition
Mined Gypsum (Calcium Sulfate Dihydrate - CaSO₄·2H₂O)
Nutrient Content
Approximately 23% Calcium and 18% Sulfur
pH Effect
pH Neutral
Fertilizer Source
Natural, Mineral Based
Nitrogen Percentage
0.0%
Phosphorus Percentage
0.0%
Potassium Percentage
0.0%
Application Method
Broadcast
Organic Certified
OMRI Listed
Season of Application
All Season
Know before you buy
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Ask Metto anything about the Greenway Biotech Gypsum before you decide.
