Dog Rocks are all natural minerals, no chemicals- straight from the earth, do not change the PH of the dogs urine, need replacing every 2 months.
A 100% natural and hassle-free solution to urine burn patches on your lawn and shrubs. Dog Rocks placed in your dog’s drinking water will begin to filter out impurities such as tin, ammonia and nitrates. These impurities are usually passed out through your dog’s urine and can result in urine burns on your grass.