... (dry base): 60%min 3) Potassium content:12%min Organic Fertilizer--Potassium Humic Acid Shiny FlakeSpecification1) Water-solubility: 100%2) ... 100% water soluble humic acid with excellent water solubility.Application: Liquid Formulation, Fertigation, Foliar Spray, Seed Treatment etc.Storage: ... dry, clean, dark, well ventilated, moisture proof place. Organic Fertilizer--Potassium Humic Acid Shiny Flake