Lawn, Garden & Household Fungicide/Algaecide. Highly concentrated, just 1.5 teaspoons in a gallon of water gets most jobs done, inside and out. Controls Black Spot on Roses, Brown Patch on lawns, Powdery Mildew on Crepe Myrtles, and Algae on garden surfaces. Multi-purpose disinfectant, use to disinfect and deodorize hard surfaces such as floors, walls, garbage carts, locker rooms, tubs and showers, lavatories and toilet seats. Use to control Mold, Mildew and Algae. Biodegradable