High water-solubility potassium humate's specification: Appearance: Black powder Water solubility (dry basis):100% Humic Acid (dry basis): 75%min Potassium (K2O dry basis): 12%min pH: 9-11 Sieve residue(0.5mm): 5%max. Woven bags with lining 25kgs net weight and also can satisfy the customer's requirement.
