Specialty Clean™ RE Rust Eliminator is a heavy-duty concentrated spot treatment that removes rust caused by metal, hard water, high iron aggregate and fertilizer granules. This fast-acting product dissolves rust stains and rinses clean with water. Removes rust and hard water stains Rinses clean with water Heavy-duty concentrated formula APPLICATIONS Pavers/Concrete Clay/Brick Granite Bluestone APPLY Recommended application temperatures are 50°F - 80°F (10°C - 27°C) Wet surface and surrounding area of stain with water. Do not apply cleaner directly on dry surface. Do not allow product to dry on surface, keep wet. SCRUB Using rubber gloves and proper eye protection, generously pour RE over stain. Scrub with a stiff bristle brush until dissolved. RINSE Immediately and thoroughly rinse area with water. REPEAT For stubborn stains, repeat steps as necessary. SRW general purpose cleaners should be used prior to sealing.