Simply drop one pre-measured pink Basin Tub and Tile Cleaner PAK-IT® into its matching pink quart trigger spray bottle (sold separately) and add cold, tepid or warm water. Wait two minutes and shake. Adjust nozzle to mist setting and simply spray and wipe off with a clean microfiber cloth or ideally a paper towel. This is commercial strength acid bathroom cleaner that is safe and effective on all non-porous surfaces such as ceramic, tile, porcelain, sealed stone and marble.