Help prevent burn patches on your lawn from when your pet urinates on it with these Dog Rocks. This is a 100% natural and proven product that contains all natural minerals straight from the earth. Dog Rocks are a naturally occurring paramagnetic igneous rock that will not harm your dock or affect the urine ph level whatsoever. They increase the properties of Boron Barium Manganese and Strontium while decreasing Tin levels in your dog’s water. Simply mix the contents of the packet with the water in your dog’s bowl and your lawn will start looking greener and fresher in no time at all. If you have more than one water bowl you will need another whole pack of Dog Rocks each water supply should have one entire pack of Dog Rocks in it.Do not worry if your dog and cat share the same water bowl as Dog Rocks can safely be used by cats but unfortunately there are no benefits to the cat urine and it makes no difference to the smell! Dog Rocks are not uniform size and differ from pack to pack in content because they are entirely natural but the weight of each pack is the same and therefore the efficacy is consistent.Laboratory testedSafe for your dogChemical freeWeight: 200gLasts for approximately 2 monthsYour pack will be accompanied by an instruction leaflet and diary reminder sticker. Please note: Dog Rocks will help prevent nasty burn patches but cannot revive dead grass.