Scotts® EZ Seed® Dog Spot Repair Sun and Shade has a special salt neutralizer formula that minimizes the effects of salts from dog urine and helps repair up to 100 dog spots in your lawn! And it helps protect seedlings against disease. EZ Seed® Dog Spot Repair Sun and Shade also contains renewable resources and is 99.9% biodegradable, so you're not only helping your lawn - but the environment around you.