soap scum

Shower door film

Soap scum is the filmy residue that builds up on bathroom surfaces—shower doors, tubs, tiles—from the reaction between soap and hard water minerals.

It appears as a grayish-white coating that's difficult to remove: The glass shower door was clouded with soap scum.

The term occasionally extends to any stubborn bathroom grime.

Related

residue · precipitates · chelation · degunks · magnesium · ions · detergents · surfactants · stain removal · elbow grease · streaky · plumbing fixture · washing machine · chemical additives · deposits · white · crusty · cleaning spray

Categories
Opposites
cleanliness state

soap scumspotless

Completely free of marks

sparkling clean · pristine · immaculate · gleaming · squeaky clean

surface condition

soap scumcrystal clear

Entirely unambiguous, perfectly understood

streak-free · shiny · glossy · unblemished · smooth

surface buildup type

soap scummold

Form-giving container

mildew · hard water stains · limescale · rust stains · mineral deposits

Family

soap, scum, soapy, soaps, scummy, soapbox, soapsuds, scums, soapiness

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Negative · Everyday, not technical · Rated G