Dog Rocks

"Dog Rocks will help stop pet urine burn patches ruining your lawn, grass and hedges. One pack of Dog Rocks in your dog's water bowl will keep your lawn in tip-top condition for up to 2 months (200g). Dog Rocks are the only 100% natural and convenient solution proven to have no change to the pH balance of your pet's urine.
• 100% natural
• Convenient
• Non-Medical - No change to pH balance of pet's urine
• Sale for all household pets
• No need to ingest a tablet, chew, or treat"