Agricultural Fertigation

Patent processed high-solubility, solution grade gypsum, sulfate of potash and magnesium sulfate for improved soil and crop performance. Diamond K fertigation products have higher purity and greater solubility for increased crop yield and quality.

Ultra Fines

Sulfate of Potash


Potassium Magnesium Sulfate

Premium 97

Gypsum – Calcium Sulfate


7-0-26 Nitrogen & Potassium


High-Carbon Nitrogen & Calcium

Diamond Grow® – Humi[K] WSP

Water Soluble Humic Acid Powder