What is soap scum, and how do you clean it up?

cleaning scum from tiling

Soap scum, also known as multifarious sludge or lime soap, is one of the many annoying sedentary messes you can see sitting on your tiling, shower, tubs, sink, or bathroom fixtures. This off-white, often yellowish, flaking residue is a dried substance formed by the reaction of salts and minerals found in the … Read more