Table 1 Experimental variables for the influence of magnetic effect on water parameters
| Variables | Range |
|---|---|
| Water flow rate | Low: 0.1–0.5 mL s− 1; |
| Medium: 1.0–1.5 mL s− 1; | |
| High: 2.0–2.5 mL s− 1 | |
| Arrangement of permanent magnets | Non-reversed polarity; |
| Reversed polarity |