Specifications & Grades

Fulvic/humic content, K2O, solubility and heavy-metal limits — the parameters buyers check first.

Product specification tiers

Product	Key spec	Typical use
Mineral Potassium Fulvate	FA >= 50% · K2O >= 12%	Drip / foliar, high-value crops
Potassium Humate	HA 60-70% · K2O 10-12%	Base fertilizer, soil conditioning
Amino Acid (MSG)	Free AA >= 45% · N >= 8%	Foliar, biostimulant raw material
Drip vs foliar grade	Water-insoluble <= 0.5% / <= 1.0%	Fertigation vs foliar application

Water solubility 100% (drip grade water-insoluble <= 0.5%); anti-hard-water, no flocculation at 22°dH
pH 8-10 (weakly alkaline), stable when blended with most water-soluble fertilizers
Heavy metals within EU 2019/1009 and destination limits (As / Cd / Pb / Cr / Hg)
Moisture <= 12%; batch-to-batch content variance controlled and documented per COA

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