Fast-acting cleaner specially designed for use with the Hillyard Foam Gun. Quickly dissolves away the weekly build-up of hard water deposits and soap film from shower walls and floors without scrubbing. Spray it on, allow it to work and rinse. Covers wide areas with just a sweep of your Hillyard Foam Gun. High-foaming Shower Foam clings to vertical surfaces while it attacks soap film and hard water deposits. Can be used on any acid resistant surface.