| Answer | Crossword Clue |
|---|---|
| INK | Undrinkable well fluid? |
| SOURS | Becomes undrinkable |
| MOLOTOV | Undrinkable cocktail. |
| DENATURE | Make undrinkable |
| DENATURE | Render alcohol undrinkable |
| DENATURE | Make alcohol undrinkable |
| ABS | Undrinkable six-pack |
| unpotable | not potable, undrinkable |
| MOLOTOV | Undrinkable type of cocktail |
| denatured | to make (alcohol) undrinkable |
| denatures | to make (alcohol) undrinkable |
| denature | to make (alcohol) undrinkable |
| SEAGUZZLE | Big gulp of undrinkable water? |
| SALT | Why sea water is undrinkable |
