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Posted March 24

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Posted October 14


Organic Ultra-Fine Powdered Gypsum




Organic ultra-fine premium powdered gypsum. Water soluble. Naturally mined. Naturally mined gypsum is considered an allowed non-synthetic input for crop use according to National Organic Program (NOP) regulations. Natural gypsum is also listed generically as acceptable in the Organic Materials Review Institute (OMRI) handbook.

  • Calcium (Ca): 21%
  • Sulfur (S): 16%
  • pH: 7.25
  • Density per cubic foot: 51 lbs
  • Particle size: powder

Sold in ½ gallon increments.

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