It is a high active coal-like fulvic acid made of plant residue by bio-fermentation (fulvic acid is a type of humic acid with lightest molecular weight and highest activity).
Potassium Fulvate bochemical process
Fulvic acid
45% min
K2O
11-15%
N
3% min
Organic matter
70% min
Water-solubility
99.5% min