On Tue, 18 Aug 2009 19:39:57 +0100, Spider wrote:

I've no experience of "Dog Rocks", but I have heard that feeding your bitch
tomato sauce (presumably mixed with her food) prevents the urine from having
this dubious effect. Perhaps one of the dog owners on urg will be able to
help you out with more detail.

This was suggested some years back on this group. We tried it but had no
success :-(

Sorry I can't be of more help.

Thanks anyway.
--
Regards,

Hugh Jampton