PetraTools R-T-U Green Grass Lawn Spray & Dog Spot Repair is a lawn care solution that will help make the grass on your lawn green again! This lawn care solution is a non-toxic green grass paint to give your lawn the nutrients it needs and repair dog urine spot in your lawn. This environmentally friendly green grass paint works quickly and efficiently to make brown or yellowish grass look vibrant and green again. Just spray it onto your lawn and watch as it repair dog urine spot in your lawn to brings life back into your yard.