YDO1000 Features: * Shower stall and tile cleaner * Capacity: 16 Oz. * Removes lime, rust, soap scum and stains * Concentrated * High potency industrial formula out performs national brands * Bleach free * Septic tank safe * Biodegradable * Can be used on shower stalls, tile, grout, fixtures, pool tile, drinking fountains, bathtubs, glass, chrome, porcelain, fiberglass, boats and spas