Posted: 14/02/2013 at 22:31
Water does work. I used a spray to train my cats not to do stuff I didn't want them to do. Can't really deter them from pooing in my garden as they'd go in someone else's which wouldn't be fair. I do keep them off my raised beds though with a combination of fleece, string and old CDs - helps to keep the birds and squirrels off too.
My daughter bought a high velocity water pistol to keep two stray cats out of her garden. After a few soakings they got the message!