| Answer | Crossword Clue |
|---|---|
| PURGE | Cleanse of impurities |
| PURGE | Cleanse, as of impurities |
| SMELT | Rid of impurities |
| PURGE | Clear of impurities |
| PURGE | Rid of impurities |
| WATERFILTER | Remover of impurities |
| REFINED | Free of impurities |
| DROSSY | Full of impurities |
| FILTERED | Rid of impurities |
| SCUM | Impurities on top of liquids. |
