Quote Originally Posted by Randi
If your water is calcareous, remember to put a bottle of winegar in it once a week - you can feel if there's any stuck to the surface. You can reuse the winegar.

Happy drinking, girls!
That is great advize, Randi! Thanks! Our water IS very calcerous, so maybe that was the reason why our first fountain broke down??? You do mean vinegar, like in Oil & vinegar, right? But how does that work then? Of course the cats cannot drink from it then!??