Krud Kutter Paint Prep Mildew Stain Remover tackles tough mildew stains prior to painting cleans and deodorizes. Professional strength formula removes tough mildew stains to enhance surface preparation prior to painting. Safe, fast, effective on both interior and exterior surfaces. Works on tile, grout, tubs, fiberglass, shower doors, vinyl curtains, counters, sinks, and no wax floors. Also ideal for wood, vinyl, and aluminum siding, patio furniture, boats and more. Fast acting formula, spray on, Just wipe Off. Fresh Floral Scent with no bleach