Concrobium Duo Blast 33.8oz

Powerful cleaning solution that targets tough and embedded mold and mildew stains on outdoor and indoor surfaces

Perfect for black mold stains

Ideal for decks, patios, fences, walkways, railings, siding, gutter, roofs, tile, showers, bathrooms, basements and outdoor furniture

Works on wood, composite wood, concrete, masonry, drywall, grout, stone, fiberglass, tile, plastic, laminate, aluminum and metal