Quickly Removes Stains Caused By Mildew Without Heavy Scrubbing; Easy To Use - Spray, Wait Until The Stain Disappears, Then Rinse10Gel Formula Clings To Vertical Indoor/Outdoor Surfaces For Longer Contact Time10Stain Remover + Cleaner: High-Alkaline, Triple-Action Formula Contains; Buffered-Bleach To Remove Mold Stains & Mildew Stains; Chelating Agents To Lift Ground-In Dirt; Surfactants To Cut Grease & Grime10Buffered-Bleach Technology Is Better Suited For Marine/Outdoor Upholstery And Outdoor Acrylic Fabrics Including Sunbrella; Won'T Harm Stitching Or Threads10More Effective Cleaning Power Than Unbuffered "Bleach-Water" Based Products, Or Diluted Supermarket Brands