Appearance :black powder &flake
total humic acid:80%
Humic acid:65%
Fulvic acid:15%
Potassium:12%
Water solubility:100%
pH :9-11
Seaweed extract fertilizer from brown seaweed
Black powder &flake
water solubility:100%
Organic matter:50%
Alginic acid:18%
mannitol:7%
amino acid:2%
Potassium:16%
pH:9-11