Complaint
| 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% |
