... ability, but no metal-iron flocculation or deposit. NameHigh Active Fulvic Acid (FA+HA) 95% TraitBlack or brown powder, easy dissolve ... ability, but no metal-iron flocculation or deposit. NameHigh Active Fulvic Acid (FA+HA) 92% TraitBlack or brown powder, easy dissolve ... ability, but no metal-iron flocculation or deposit. NameSuper Active Fulvic Acid(FA+HA)+K 98% TraitBlack or brown powder, easy ...