Primera-Cal S Enhanced Gypsum

50 lb bag 40 bags/pallet

Product Details:

(21% Ca, 16% S)

  • COVERAGE: 4000-8000 sq ft/50 lb bag
  • RATE:
    • Corrective Applications: 12 lbs/1000 sq ft
    • Maintenance Applications: 6 lbs/1000 sq ft


  • Used for:
    • Sodium and salt abatement
    • Reducing soil bicarbonate
    • Aerating high CEC (heavy) soils
    • Increasing water penetration
  • Contains university recommended source for calcium sulfate, dihydrite mined gypsum.
  • Provides soluble calcium and sulfate sulfur to soil.
  • Impregnated with 2% PHCA organic humic acid to increase nutrient availability.
  • pHCa Technology enhances the plant’s ability to convert both the applied and stored calcium into an immediately available form for plant uptake and salt abatement without affecting soil pH.
  • Increases aeration of soil, creating pore space.
  • Displaces sodium ions from the soil colloid to leach out excessive amounts of salt from the soil.
  • Ideal source of Calcium when pH correction is not needed.
  • 80% less dust than traditional gypsum products.