Wet & Forget Moss Mold Mildew & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate Original 64 Fluid Ounces (2 Pack)

- Concentrate outdoor cleaner removes stains caused by moss, mold, mildew, with no scrubbing or rinsing just wet it and forget it for hard, sealed non-porous surface including driveway, patio, roof, siding, deck, sealed concrete, and more - Dilute 1 part concentrate to 5 parts water and apply with a garden sprayer generously to a dry, debris-free surface in mild temperatures, do not rinse or apply when rain is expected within 4-5 hours of application; unused portion can stored for next use - Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer - It is bleach free but spray 100 feet away from any water source and flush plants with water before and after application; includes 2 x 0.5 gallons concentrate which make 2 x 3.0 gallons - Includes 2 x 0.5 gallons concentrate which make 2 x 3.0 gallons of cleaner, has an unlimited shelf life, and results last for a minimum of 1 year - One bottle treats 375 - 1,125 square feet, heavy stained and porous surfaces will absorb more product

From the manufacturer

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Use Wet And Forget To Clean