SpecificationHumic acid (dry basis)70%min.Fulvic  acid (dry basis)15%min.Potassium (as K2O)8%min.Trace elements5%min.Water solubility99%min.pH value9-11 Product Character Appearance: Black-brown flake/PowderSunmatte Potassium Humate 99 is extracted from the natural high grade leonardite, formulated potassium salt of humic acid. It contains both nutrient potassium and humic acid and fulvic acid. Especially the fulvic acid, its lower molecule makes it higher physical and biological activity. Sunmatte Potassium Humate 99 Flakes has high solubility in water and ability of anti-hard water. It can be successfully applied in landscape and garden as well as for all agricultural and horticultural plants. It can be used alone or combined with Nitrogen and Phosphorus through irrigation system or spray tank.   Product efficacies:lEnhances the photosynthesis, increases the yield, Improves the quality of crops.lPromotes the crop resistance to drought and disease.lIncreases the soil fertility and optimizes its structure, enhances the utilization of other nutrient fertilizer   Package & DeliveryPackage: In 20kg net plastic coated paper bag lining inside.Delivery: Within 15 days after receiving the buyer's payment. Storage & TransportationStored in dry, cool airiness place, far away from heat, avoid insolation, no moisture. When in the transportation and outdoor storage, it should be keep away from moisture, insolation, rain & high temperature. Validity: 3 yearsProfessional as one of the leading manufacturers and suppliers of various agrochemical products, Sunmatte Technology has been specialized in this field for many years. If you are looking for high quality and competitive price top quality potassium humate powder or flakes from leonardite organic fertilizer supplements for plants, please feel free to wholesale products with our factory. We now have good fertilizer for sale.