Foamy MAC (Mild Acid Cleaner) with a new fresh citrus fragrance is an advanced foaming cleaner formulated to cling to surfaces when sprayed with a foaming trigger sprayer or a foam gun. Foamy MAC will clean soap scum, mineral deposits, lime or grease off of all acid resistant surfaces including shower stalls and bathtubs. Safe for use on chrome fixtures. Safe to work with, contains a low pH Organic Salt which is non-corrosive to skin.