| 药剂名称 | 加药浓度(mg/L) | Ca2+浓度(mg/L) | 防垢率(%) | 目测 |
| 空白 | 0 | 280.56 | ++硬垢 +++浮垢 | |
| HYFG-02 | 30 | 555.11 | 88.96 | ++浮垢 |
| HYFC-073 | 30 | 553.10 | 88.31 | ++浮垢 |
| HYFC-074 | 30 | 561.12 | 90.90 | - |
| HYFC-075 | 30 | 557.11 | 89.61 | +浮垢 |
| HYFC-076 | 30 | 547.09 | 86.36 | ++浮垢 |
| HYFC-027 | 30 | 571.14 | 94.15 | - |
| YFFG-037 | 30 | 567.13 | 92.85 | +浮垢 |
| HYFC-077 | 30 | 527.05 | 79.87 | +++浮垢+硬 |