Humic Acid Powder is in black color and insoluble in water itself, it has high content of organic matter and humic acid, and is milled from leonardite or lignite sources. Humic Acid Balls is in made from humic acid powder and has high content of humic acid and organic matter. It improves the soil condition by application Humic Acid Granules is meshed out from natural leonardite or lignite souces, it is irregular shapes, high in organic matter and humic acid content Potassium Humate Powder is in black color and soluble in water.It is extracted from natural leonardite or lignite powder. It has several grades for different applications. Potassium Humate Flakes is derived from leonardite or lignite powder, it has high content of humic acid and water solubility. Sodium Humate Powder is made from leonardite with NaOH, it is water soluble , it is widely used in agriculture, industrial and livestock feedings and milled from sodium humate shiny flakes, sodium humate crystals and dry-method. Sodium humate has lowest content of HA, not is most economy products