How to clean a fiberglass shower? That is a question that I asked myself a while ago.

It would be difficult to feel clean if you wash in a dirty shower. There is no reason why you shouldn’t have a clean fiberglass shower. Fiberglass showers do not need to be a difficult process to clean and a little bit of scrubbing and the right cleaning products will have your shower sparkling.

Time and irregular cleaning fiberglass shower stalls leave you with a dirty shower that seems impossible to clean. Detergent water, sticky dirt, mold, mildew, soap scum, etc. leave a shower dirty and unhygienic. You shower will have a shoddy appearance and it might look like it is ruined forever.

Image source: Bestbath

When you want to restore its original hygienic state, you only need to know which products to use. New fiberglass showers have a sparkling white surface and a preferred shower type for its durability and glistening aesthetics. While it is often easier to keep a bathroom clean and shiny, fiberglass is generally more difficult to clean and maintain as it is a material that is more sensitive.

A clean shower pan and shower stall can be within your reach when you remove stains, especially shower pans which require cleaning more often. Soap scum and dirty feet are the reason why it is an area in your shower that can be much harder to clean and keep clean if you do not know how to clean fiberglass shower and floors. The discolored appearance that looks as if it is permanent on the shower pan is a combination of dirt, soap, and oils.

It is a known fact that while it is beautiful, it is a material that needs to be treated with the right cleaning products to avoid damaging the fiberglass. Scouring pads and abrasive cleaners will damage a once-beautiful shower that is merely dirty. You need to use natural, effective and safe methods and materials that are corrosive free to disinfect, deodorize and clean your fiberglass shower.

Clean a fiberglass shower tips

Fiberglass is a popular and modern material in modern bathrooms. Bathrooms are often fitted with fiberglass shower, fiberglass bathtubs or a combination of both. Molded bathroom sets do not require grouting and caulking and leave a beautiful finish. While it is gorgeous when newly installed it is important to know what the best way to clean fiberglass shower and tubs are. See our suggestion on how to clean fiberglass shower and the best cleaners for fiberglass tubs.


  • Mild scrubbing product
  • Baking soda and water paste that you can rub on gently
  • fiberglass shower cleaner, cleaners for fiberglass tubs
  • liquid laundry detergent or hand dishwashing liquid

Performing Routine Cleanings

Create your own non-abrasive and best cleaner for fiberglass showers:

When you clean regularly, use a spoon of liquid detergent with a bucket of warm water.

  • Choose non-abrasives like baking soda, bathroom cleaners, all-purpose household cleaners, laundry, and dishwashing detergents.
  • Avoid scouring powders and abrasives as they are damaging to fiberglass.

Use a terrycloth material for wiping down tub, fixtures, and shower. When you want to avoid a buildup of moisture and prevent mildew and mold from forming, use a squeegee after every shower. In addition, you can decrease moisture and circulate air when you use a fan during and after a shower.

A good tip for disinfecting and deodorizing your bathroom is to keep a natural disinfectant like white vinegar in your bathroom. It will eliminate the need for regular or future scrubbing.

Remove soap scum with baking soda and water

Regular bathroom cleaners might be insufficient to clean a build-up of soap scum. A good way to remove soap scum from fiberglass shower is a baking soda and water solution. Form a paste that you apply to the dirty areas and rinse off with warm water after a couple of hours.

A Natural Formula to dissolve stubborn soap scum

When you look for a cheap and natural cleaning product, you should look at vinegar. It is incredibly effective when you use vinegar with baking soda. You need to sprinkle the baking soda first and then spray it with vinegar which forms a paste. Using a non-abrasive sponge, you have one of the best fiberglass shower cleaner that also clean fiberglass tubs.

When cleaning fiberglass tub with vinegar and baking soda, it is best to wear gloves. It will restore fiberglass shower as well as a great fiberglass shower polish.

Bleach dark stains with hydrogen peroxide

One of the best fiberglass shower cleaners and best ways how to remove soap scum from fiberglass tub and shower pan cleaner, is hydrogen peroxide. It is excellent when you have dark and deeper stains that appear challenging. Take a couple of clean cloths to cover the dirty area and pour hydrogen peroxide over the area. Leave it for a few hours or overnight and rinse it the next day. Dry the area to keep it shiny.

Use a sponge, cloth, or soft-bristle brush to work in the product

Using a non-abrasive sponge, scrub surfaces in your shower by applying adequate cleaning solution. Reapply as the cleaner dries or you need more.

Use paint thinners or acetone on extreme stains

Acetone is the main ingredients of nail varnish remover and it is a good product to use when cleaning fiberglass shower stalls. Turpentine is also good for difficult stains. Pour some of these liquids on a soft cloth and rub the stain until it disappears. While it is good to use occasionally, avoid using often.

Maintenance Matters

Image source: slagib202

Now that you know how to clean fiberglass shower and clean fiberglass tubs as well as restore shine to fiberglass tub, you should be looking at maintaining your clean bathroom.

Maintaining the fiberglass shower

Cleaning the Stall

Showers are used daily which causes stall surfaces to become foggy which is a result of soaps and water that forms the grimy scum. The surface must be cleaned often with liquid soap. Use a soft cloth and cleaning product and wipe it off. If you want to use a natural product choose a homemade fiberglass shower cleaner, for example, cleaning fiberglass tub with vinegar. You can also choose a vinegar and baking soda solution that you allow to dry naturally for great results.

Rinse away any loose dirt and debris

You do not want to allow the debris and dirt to remain, and a good rinse will ensure after the cleaning you tub, and shower is shiny.

Fiberglass shower pans

When you want to know how to clean fiberglass shower pan without damaging the pan, there is good news for you. A fiberglass shower pan cleaner is stronger, and you can actually use a scrub pan too. You will not damage a fiberglass shower pan when using an aggressive scour pad.

How to clean and remove soap scum on a fiberglass shower pan

Your fiberglass shower pan can look unsanitary and ugly when you allow hard water deposits and soap scum to build up. Here you can use elbow grease, scour pads and scum removers.

If you enjoyed reading this article on how to clean fiberglass shower, you should read these as well:

Categorized in: