5 LB, Gypsum Powder for Plants, Rich in Calcium and Sulphur

Gypsum is a mined mineral fertilizer rich in calcium and sulphur. In addition to providing key nutrients, It benefits soil structure, porosity, air circulation, and water infiltration and drainage.
APPLICATION RATES:
Corrective: 2.5-5 lbs/100 sq. ft.
Moderate: 1.25-2.5 lbs/100 sq. ft
Maintenance: 5-12.5 lbs/1000 sq. ft or 0.5-1.25 lbs/100 sq.ft