An amazing source of 70% calcium sulfate dihydrate with tremendous “horsepower” to aid penetration, reduce soil salts, and improve nutrient and water holding capacities – along with all of the other benefits of Holloway’s mined gypsum.
– Calcium Sulfate Dihydrate (CaSO4 2H2O): 70%
– Calcium (Ca): 16%
– Sulfur (S): 13%
– Derived From: mined gypsum