Potassium Humate Crystals is black color and in irregular shapes, it solubles slowly in water, and is made from liquid into crystals by sunshine drying slowly.

Potassium Humate Shiny Crystals GZGT-22 is highly extracted from liquid and the appearance is super shinny. Production is low.

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Potassium Humate Crystals

Technical Specifications:

Potassium Humate Crystals
Model Appearance Size Humic Acid            (Dry Basis) K2O          (Dry Basis) Water Solubility Moisture PH
GZGT-21 Black Granules 1-2mm                         2-4mm 50-60% 5-12% 85% 15% 9.0-11.0
GZGT-22 60-70% 90%


Packing: 10Kg,25Kg

Production: GZGT-22 has 300-500 Metric Tons/Year

GZGT-21 has 1000 Metric Tons/Year