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Gypsum - Mined (Regular Grade) 40 lb Bag

Gypsum - Mined (Regular Grade) 40 lb Bag

SKU: 2750
$7.99Price
Excluding Sales Tax
*Sulfur-based calcium source.

*Loosens clay soils.

*10-15 pounds per 100 sf, mix into the soil.

*Organic

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk.

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