This is a safe brightener for exterior use on wood decking, siding, shingles and furniture. Removes tannin and rust stains. Rinses easily with water, and is safe for all coatings and treated lumber. Removes the factory “mill glaze” which can interfere with the adhesion of paints and stains to smooth planed lumber, clapboards, or siding.
Dilute with a maximum of 8 gallons of water. This will cover 1600 to 2400 sq. ft.