Moldex® Instant Mold and Mildew Stain Remover is a powerful cleaner that erases stains right before your eyes. It delivers industrial strength cleaning action without friction. Formulated with new advanced bleach gel designed to deeply penetrate and eliminate mold and mildew stains. Our Active Cling™ technology allows powerful cleaning agents to stay (or hold) longer on vertical surfaces to achieve the most effective contact time. Just spray and watch the stains disappear completely.