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Calcium Sulfate (CaSO4) is a source of Calcium (Ca) an essential component of cell wall structure and plant integrity, as well as transport of other nutrients. Sulfur (S) is essential for root development.
Also used to increase General Hardness (GH)
Half Pound(8oz), One Pound(16oz)
Calcium Sulfate Dihydrate(CaSO4.2H2O) 97%
1/2 tsp into 10 gallons will add 10ppm Calcium
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