| Clue | Source | Date |
|---|---|---|
| Process by which barnacle is made bare? | ||
| Removal of salt (12) | ||
| Removal of sodium chloride (12) | ||
| Purifying process that might render barnacle bare? | ||
| Process involved in making seawater fit for drinking | The Times Concise | 16 Dec 2023 |
| Sailed around country that can provide drinking water | Irish Times Crosaire | 06 May 2022 |
| Purification process that could be nationalised | ||
| Deal is arranged with people for main treatment? | The Telegraph Cryptic | 07 May 2017 |