Wet and Forget 10587 1 Gallon Moss, Mold and Mildew Stain Remover. Wet and Forget has a unique combination of biodegradable selective surfactants for moss removal, mold removal, mildew and stain removal on any exterior surface. When diluted with water and applied, it immediately attacks that unsi moss, mold, and mil. 1 Gallon of Wet & Forget makes 6 gallons of ready to use product, which covers approximately 750-2250 square feet depending on the porosity of the surfaceWet and Forget 10587 1 Gallon Moss, Mold and Mildew Stain Remover.Non-caustic, Non-acidic, Contains no bleachSafe on any outdoor surfaceOne step process. For concrete, brick, stucco, aluminum, painted surfaces, siding, decking, roofs and moreNo scrubbing or rinsing requiredNot for sale in CaliforniaTechnical DetailsManufacturer: Wet and ForgetPart Number: WAF800006Item Weight: 8.34 poundsProduct Dimensions: 6.25 x 4.5 x 10.5 inchesCountry of Origin: USAItem model number: WAF800006Is Discontinued By Manufacturer: YesSize: 1 GallonStyle: Stain RemoverMaterial: Aluminum/PVC/StoneItem Package Quantity: 1Coverage: 750 2,250 square feetUsage: Roof, Deck, Tile, FurnitureIncluded Components: Wet and Forget 10587 1 Gallon Moss, Mold and Mildew Stain Remover