Removing stubborn mold and mildew has never been faster or easier thanks to the powerful formula of our Mold & Mildew Killer + Quick Stain Remover. Almost twice as strong as the leading brand, it makes fast work of tough stains: Just spray on, wait 5-10 minutes and rinse stains away. All with no scrubbing! Instant Mold & Mildew Killer + Quick Stain Remover also improves the performance and appearance of new paint; just use it as a surface prep prior to painting!