Fulvic acid It’s natural fermentation product, so it’s toxic-free and has no side effect. AppearanceBrown powder Biochemical fulvic acid( dry basis)45.5% N content ( dry basis)3.0% P205 content ( dry basis)0.5% K2O content ( dry basis)11.5% Amino acid ( dry basis)8% Crude protein ( dry basis)19% Water soluble substance99.2% Organic substance ( dry basis)50% Moisture2% PH5-7 Our fulvic acid also contains trace elements such as sulfur, calcium, magnesium, zinc, iron, molybdenum, boron, as well as large quantity of Vitamin B, Vitamin C, inositol and polysaccharide. What’s more, it contains many other vitamins, trace elements, bacterial protein, nucleic acid, surface-active structures and growth-promoting factors (bio-active substances), etc. Package: lined with plastic film inside and double packed with polypropylene woven bag outside.25 kg / bag or 50 kg / bag. We can make package according to customer's requirement. Storage: keep in dry and ventilated area and guard against damp and moisture. It won’t deteriorate in long-term storage. Agglomeration and pulverization doesn’t affect use after it` s dissolved.