Product feature | Main ingredients | |||
Type A | Dark brown powder | PH:4-7 | Fulvic acid≥95% | insoluble substance≤3% |
Type B | Dark brown powder | PH:4-8 | Fulvic acid≥90% | insoluble substance≤3% |
Type C | Pale yellow powder | PH:4-7 | Fulvic acid≥70% | insoluble substance≤3% |
Type F |
Biochemical fulvic acid
with high potassium, dark brown powder |
PH:5-7 |
Fulvic acid≥60%
biological K≥8% biological N≥2% moisture≤6% |
insoluble substance≤3% |