How to Clean Build-up on the Bottom of the Shower

Prevent build-up through weekly cleaning.
Prevent build-up through weekly cleaning. (Image: Jupiterimages/ Images)

The shower floor is subject to hard water spots, soap scum, dirt, and build-up from shampoos and soaps. Fiberglass shower floors are seamless and grout-free but are often textured for safety. Dirt and stains cling to this textured surface and are difficult to remove. Both fiberglass and ceramic surfaces scratch easily and, once scratched, become dirty more quickly as dirt embeds in the damaged areas. Spray the shower with a shower cleaning product and wipe it down with a squeegee after each use to prevent build-up.

Things You'll Need

  • Soft cleaning cream with bleach
  • Nylon scrub brush
  • Vinegar or hard-water spot remover
  • Auto polishing cream
  • Auto wax

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Apply a thin coat of soft cleaning cream to the shower floor and wait 30 minutes. The chlorine bleach in the cream will lighten stains and the cleanser will loosen dirt and shampoo build-up.

Scrub the floor with a nylon scrub brush, taking extra care in the corners and crevices where debris accumulates. Rinse the floor thoroughly with clean water from the shower.

Spray the floor with undiluted vinegar or a hard-water spot-removing product. Wait 10 minutes and rinse. The acid in vinegar and commercial products breaks down mineral deposits and soap scum. Dry the floor with a towel or allow it to air dry.

Apply 1/4 cup white auto polishing cream to the floor and buff it with a clean cloth. Rinse and dry. Apply 1/4 cup white or clear auto polishing wax to the floor. Buff it with a clean cloth until it forms a thin, hard coat. This step shines fiberglass shower floors, making them look new again, according to the University of Nebraska Lincoln Extension.

Tips & Warnings

  • Don't use abrasive cleaning powders or steel wool on fiberglass or ceramic shower floors. You'll scratch the surface, causing permanent damage.


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