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From
Xi'an,
Shaanxi,
China
From
Xi'an,
Shaanxi,
China
Appearance: Black brown flake/powder
PH: 8-10
Organic matter: 50%
Alginate acid: 16%
Total amino acid: 2%
Total nitrogen: 1%
Potassium (as K2O): 16%
Mannitol: 3%
Water solubility: 100%.
