• This Australian-mined product helps prevent those nasty yellow urine burn stains from appearing on your lawn.
• When placed in water, Dog Rocks help purify the water by removing the nitrates, ammonia and harmful trace elements like tin and copper giving your dog a cleaner source of water.
• Lowers the amounts of nitrates found in your dog's diet, therefore lowering the amount of nitrates expelled in his urine that causes the lawn to yellow.
• Dog Rocks are a 100% natural, proven, and hassle-free prevention to canine lawn urine burn patches.
• No medication required and safe for all household pets.

Keep your lawn looking fresh and clean no matter where your dog does his business with Dog Rocks Lawn Burn Patch Preventative. These unique, lawn-saving rocks are a 100% natural and safe product that helps save your lawn from those unsightly burn patches caused by dogs when they urinate on your grass. Dog Rocks filter out impurities in your pets' water, like tin, ammonia and nitrates, creating a purer water for your pup. This protects your grass from the chemical burn and even allows your dog's urine to serve as a fertilizer for your beautiful lawn.