Appearance    :  Powder
Humic acid (dry base): 65% - 72%
Fulvic acid (dry base): 5% - 8%
K2O (dry base): 0.45%
PH: 4

Appearance: Black Powder
Humic acid: 65 – 70%
Moisture: 18% max
Residue on 0.5mm sieve: 5.0% max

Appearance: Brown Powder
Fulvic acid: 90%min
PH Value: 4 – 6
Water insolubles: 3.0% max
Heavy metals    : 50ppm max