| HYDROTHERAPY | Harry toyed with pH for water treatment (12) |
| CHLORINATION | Short girl starts to revel in race for water treatment |
| BOTTLEOPENER | One top treble toyed with thing to access drink? (6,6) |
| INSTRUMENTED | Toyed |
| TRIFLED | Toyed with, ... with her affections |
| REGIMEN | Emigre toyed with new course of treatment (7) |
| PLUTOCRAT | Fat cat, with power and clout, toyed with rodent (9) |
| RCCAR | Something toyed with from afar, for short |
| GREENTEA | Teenager toyed with gunpowder for example (5,3) |
| WORRYBEADS | Boy with drawers off toyed with balls (5,5) |
| THERAPY | Prat, hey, toyed with treatment (7) |
| NEUTRAL | Describes water with pH of exactly 7 (7) |
| POUROILUPON | Take calm action with troubled water treatment (4,3,4) |
| HYDROPATHIC | Using water treatment for dry patch? Oh, one might! (11) |
| HYDRO | Water treatment centre a must-have for lengthy drought |
| BARBIEANDKEN | Toyed-with 37 Across? (6,3,3) |
| TWANGED | Get Dawn's pants, having toyed with elastic (7) |
| DETOXIFY | Toyed with fix, resolved to come off it? |
| REALLYSOMETHING | Amazing gemstone Hillary toyed with (6,9) |
| THEOREM | Idea hot spearmen toyed with pans out (7) |
