1.Product feature: Dark brown powder, pH: 4-8 Main ingredient: Fulvic acid(Dry Basis)95%, insoluble substance0% 2.Product feature: Pale Yellow powder, pH: 4-8 Main ingredient: Fulvic acid(Dry Basis)85%, insoluble substance0% 3.Product feature: Dark Brown powder, pH: 5-7 Main ingredient: Fulvic acid(Dry Basis)60%, K2O(Dry Basis): 12%insoluble substance1% 4.Product feature: Biochemical fulvic acid with high potassium, dark brown powder, pH: 5-7 Main ingredient: Fulvic acid60%, biological K8%, biological N2%, insoluble substance 0.5%
