Spotless Lawn - Dog Spot Aid - 1 Gallon Safe organic ingredients shield grass from dog urine burns. Helps damaged lawns recover quickly and encourages grass to fill in dead and bare spots. Great coverage at low cost. 1 gallon covers 13,000-32,000 sf. Easy to apply with our hose-end applicator or a simple watering can. Creates a healthier lawn and improves both clay and sandy soils.