Are they these things that are supposed to be added to drinking water to cool it down ? if so i doubted that they did anything as it was brought up on a ferret forum regarding it being used in there drinking water
Hi Sweet.
No these are suppost to change the PH in the dogs drinking water so there's less nitrogen in the urine, Sites I've come across Are,
http://www.dogrocks.co.uk/
http://www.petremedies.co.uk/Misc-Products/Lawn-Health/Dog-Rocks/p-83-208-587/?gclid=CK-v2aHq16MCFVFd4wodXAizvQ
http://www.dogrocks.org/
It's' only recently I've come across these and can only advis