Diamond K Soluble Gypsum 5lb 21308

Use at lower rates (50-400 lb./acre) than non-soluble gypsum, but more frequently. Can be used for fertigation, use 1-2 tbsp per 5 gallons for container gardening/flush. OMRI certified.

Components:
Gypsum

Guranteed Analysis:
Calcium Sulfate (CaSO4.H2O).......97.0%
Calcium (Ca).......22.5%
Sulfur (S).......18.0%