Description
Trace Mineral Clay for Living Soil, Microbial Health & Mineral Balance
Calcium Montmorillonite Clay from The Soil Makers is a premium mineral soil conditioner rich in colloidal trace minerals that support healthy soil biology and long-term soil fertility.
This natural clay contains nearly 50 mineral compounds in a colloidal form, meaning they are readily available for immediate use by plants, microbes, and the entire soil food web. These highly bioavailable minerals help improve soil mineral balance while supporting beneficial microbial activity in living soil systems.
Calcium Montmorillonite Clay is widely used in organic soil blends, living soil gardens, water-only soil systems, and organic potting mixes because of its ability to improve soil structure, moisture retention, and nutrient availability.
Its mineral-rich composition creates an ideal environment for beneficial soil organisms while helping build resilient, biologically active soils that support strong plant growth and productive gardens.
This product is OMRI-listed for organic production, making it a trusted choice for growers seeking natural soil amendments for organic cultivation.
Key Benefits:
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Contains nearly 50 trace minerals to support soil health
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Colloidal minerals allow immediate availability to plants and microbes
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Improves soil structure and moisture retention
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Enhances nutrient availability in living soil systems
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Supports beneficial soil microbes and soil food web activity
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Ideal for organic soil, living soil blends, and potting mixes
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OMRI-listed for use in organic production
Application:
Apply as a soil conditioner during spring or fall.
Recommended application rate:
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300 lbs per acre
Can be incorporated into soil blends, living soil mixes, or applied to existing garden beds.
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