This is 40 grams of True Fulvic Acid Powder min. 90% and instructions Makes 50-100 gallons depending on the strength you use. Use the foliar spray strength for hydroponics solution. True FAP is made from a mined waxy mineraloid called leonardite. Leonardite is a soft waxy, black or brown, shiny, vitreous mineraloid that is easily soluble in alkaline solutions. It is an oxidation product of lignite, associated with near-surface mining. Organic fulvic acid powder is a man made product, made from decayed plant matter (esp. peat).