20 Best Fiberglass Shower Cleaner in 2022: Reviews and Buying Guide

Let’s face it, cleaning the bathroom is not everybody’s favorite thing to do, especially cleaning a fiberglass shower. It is easy for soap scums and stubborn dirt to stick on the surface and hard to remove.

The good news is you can buy a fiberglass shower cleaner to make your cleaning mission easy. Soap scum, sticky dirt, mold, mildew, hard water detergent, and many more are the main culprit for getting fiberglass shower dirty. This dirt can become permanent and makes the fiberglass look shoddy.

Some people may give up because they find it hard to clean. However, you need to remove them to have a clean and hygienic environment. What you need is to find the best fiberglass shower cleaner to clean your bathroom sparklingly clean.

With so many fiberglass shower cleaners available in the market today claiming to be the best, it is hard to make a choice. We can help find the right one as we have rounded up twenty of the best shower cleaners available. We also included their reviews and buying guides to help you make an educated choice.

Without further ado, let’s go right ahead to our list.

Top 20 Best Fiberglass Shower Cleaner Review

It is hard to maintain a fiberglass shower. It is great because of its durability and the glistening aesthetics but when mineral deposits and soap scum begins to accumulate, it can look dull and dingy. You cannot use a scouring pad to clean them because it can scratch the surface. What you need is an effective cleaning agent then will remove the dirt without damaging it.  

We are presenting you with the 20 best cleaners for fiberglass showers that work in soft as well as hard water conditions. These cleaners are guaranteed to make your shower stall look and feel great.

1. Bio-Clean: Eco-Friendly Hard Water Stain Remover

This glass cleaner is by far the most effective way to restore your fiberglass shower stall from the hard water stain. Cleaning the fiberglass shower is daunting but with Bio-Clean Hard Water Stain Remover, you will never try other cleaning agents anymore. It is safe and easy to use too and suitable for use in homes and commercial spaces as it can remove stains and spots, even the old and stubborn stains.

Its unique formula can remove the age-old mineral stains and water spots. Because it is a professional strength cleaner, it is used in manufacturing plants, hotels, public establishments, nursing homes, and even in car detailing. Now, you can bring the same cleaning power to your bathroom. With its effective abrasive formulation, you can easily remove the heavy water stains in your shower surfaces.

What makes this cleaner on top of the list is it’s free from harmful chemicals. It is also biodegradable, so it does not harm your skin, the fiberglass, and most importantly, the environment. This formula has no offensive odor or harmful fumes like other cleaners have.

It does not only clean but restores and renews the surface while removing the severe hard water stains. It can treat the surfaces that look foggy and bring it back to life. It completely restores the fiberglass shower and leaves it with shiny and beautiful surfaces.


  • Powerful cleaning agent
  • Removes unwanted water stains
  • Environment-friendly
  • Odor-free and no harmful fumes


  • It takes some scrubbing to remove the tough stains

2. Bio-Kleen M00605 Fiberglass Shower Cleaner

Another fiberglass cleaner that’s also good for industrial and commercial cleaning is the Bi0-Kleen M00605 Fiberglass Shower Cleaner. It is used in RV fiberglass and hull as well as in a fiberglass shower to give it remove the water stains and leave it sparklingly clean.

This cleaner can also be used in metal or anode to help remove the rust and give it a shine. On boat hulls, it can remove chalking, algae, lime, rust, and scale. This can also remove chalking, oxidation, yellowing on fiberglass, and any other glass surfaces or walls to make it bright and clean.

The Bio-Kleen Fiberglass Shower Cleaner quickly dissolves and penetrates the fiberglass. You can use it manually with a sponge or with an automatic washing spray. Both methods will give excellent results. It has safe formulation, free from any other toxic agents and aerosol. You can use it around children, pets, and seniors. It is also environmentally friendly.

It comes on a gel formula for better surface penetration. This shower cleaner is also great on cleaning shower floors, leaving the bathroom clean and with fresh odor.


  • Great surface penetration
  • Effectively removes stubborn dirt
  • Can remove chalking, oxidation, and yellowing
  • Safe formulation with a great scent


  • It cannot remove black streaks

3. Bucko Soap Scum and Grime Cleaner

Soft water is easy on a fiberglass shower but it still needs cleaning to prevent accumulating on the surfaces. What you need is a cleaner that can help the fiberglass stand against stains and grime. Bucko Soap Scum and Grime Cleaner can do that by clearing all the stains and water streaks in the fiberglass.

It has a special formulation that dissolves tough soap scum and grime while leaving the surface with a beautiful shine. This cleaner can also remove stains from glass shower doors, yellow stains and textures from the fiberglass, dullness of chrome fixtures, laundry detergent buildup on sinks, and even wheel rims.

This cleaner contains no bleach, acid, or harsh chemicals. It is also non-toxic and safe for the toxic system so it’s safe and easy to use for tough stains. It’s even safe to use for regular touch-ups. It needs no scrubbing, you only have to spray and wipe the surface. The Bucko Soap Scum and Grime Cleaner are also good for professional cleaning.


  • Proven effective even for professional cleaning
  • Needs no scrubbing, simply spray and wipe
  • Has safe formulation
  • Leaves a light scent


  • Not recommended for hard water stains

4. Bring It On Cleaner and Hard Water Stain Remover

Bring It on Cleaner is another good option to clean a fiberglass shower. This cleaner is so versatile, it can quickly remove spots and stains on fiberglass showers, glass showers, and even regular showers. What makes this cleaner special is it contains powerful oxygen bleach. Unlike the common bleach, it is completely safe and non-toxic. It has no harmful chemicals, you can use it around your pets, kids, and seniors.

These cleaners can effectively and safely remove the hard water residue and spots on any surface of the bathroom. You can also use it to remove the water buildup and residue on the shower door, shower head, bathtub, drains, and other surfaces while leaving it spotless and clean. It can even clean the accumulated buildup caused by hard water.  

The oxygen bleach or hydrogen peroxide content of this cleaner is also effective in removing molds and mildew as it contains jeweler’s abrasives to remove the hard water stains. It has a mild fresh mint scent too, leaving your bathroom clean and smelling fresh.


  • Effectively removes hard water stain
  • Contains non-toxic bleach that’s safe even to the environment
  • Versatile cleaning solution
  • Has a fresh mint scent


  • It cannot remove the haze from the glass doors

5. CLR Pro Calcium, Lime, and Rust Remover

If you need a cleaner to combat stubborn dirt on your fiberglass shower, then you have an ally in CLR Pro Calcium, Lime, and Rust Remover. It can bring out the white in your bathtub and the shine on your fiberglass shower by removing the water streak and mineral deposits on your shower stall.

This cleaner is very efficient, cost-effective, and leaves no odor on your bathroom compared with other cleaning solutions. It has a safe formulation containing no phosphates, ammonia, and bleach, hence it is a safe alternative to chemical cleaning agents. It is so versatile that you can use it on glass, plastic, ceramic tile, stainless steel, and many other surfaces in the bathroom. This cleaner is also good for commercial use and in removing rust from tools, equipment, and even cars.

CLR Pro Rust Remover is so powerful it can break down the calcium, lime, and soap scum on the fiberglass, leaving it with a and streak-free shine. It works like magic and does not require much scrubbing. All it needs is a simple application, leave it for ten minutes for the formula to cut through the stain and rinse it off with water.


  • It is a non-toxic formula that contains no phosphate or ammonia
  • Suitable for other bathroom surfaces aside from fiberglass
  • It can remove rust from cars and other surfaces too
  • Simple and easy to use


  • Not recommended to use with a sprayer
  • Has no scent

6. Oh Yuk Jetted Tub System Cleaner

One of the criteria for choosing a fiberglass shower cleaner is the ease of use. The Oh Yuk Jetted Cleaner fits the bill because it can clean fast without much fuss. It is designed to easily remove the stubborn dirt and buildup on the shower. This cleaner can do the job and leaves a fresh scent in your bathroom.

This cleaner contains a special formulation that cleans the formulation in just 15 minutes. According to its manufacturer, it can effectively remove the scum on the shower without the use of harmful chemicals. It is non-toxic and safe to use even around your pets and kids. It has undergone laboratory and field testing, guaranteed to produce excellent results. The Oh Yuk Cleaner is so effective that even hotels are using them for cleaning the bathrooms.

Even with its powerful cleaning action, this cleaning solution remains affordable and easy to use. Just apply on the surface, allow it to penetrate the dirt and scum, and rinse. You can also use it on your jetted bathtub, Jacuzzi, and whirlpool.


  • Formulated to break down scum and remove dirt
  • Easy cleaning action in just 15 minutes
  • Tested to make sure it cleans effectively
  • Made with a non-toxic formulation


  • The cleaning instructions needs revision
  • It has some residual effects

7. Mold Armor FG502 Mold and Mildew Killer

What makes Mold Armor belong to here is its ability to quickly remove molds and mildew on the fiberglass shower quickly and effectively. It has a unique formulation that contains citric acid that renders this cleaner its cleaning and hygienic abilities.

Since it has a gentle and non-abrasive chemical composition, Mold Armor FG502 does not damage the surface. Instead, it works gently on removing lime and rust by simply dissolving the unwanted dirt and grime without scrubbing. It is good for people who hate scrubbing their bathroom.

It contains a special formula with granules and bubbles that acts on the dirt, penetrating deep into the stain and dissolving them. This cleaner is easy to use. With a simple application on the surface, wait until it’s absorbed and work its way on the stubborn dirt. After rinsing the product, you will have a shiny fiberglass shower, looking like new.

With its efficiency, Mold Armor can cut your cleaning time by half and leaves the bathroom with a pleasant smell. It’s no wonder this cleaner is receiving stellar reviews and recommendations.


  • Works well on mineral deposits on fiberglass
  • Easy to use
  • Cleans and disinfects at the same time
  • Works on hard and non-porous surfaces


  • Others might find the smell unbearable

8. Weiman Bathtub Cleaner

This heavy-duty, quick action bathtub cleaner works well on fiberglass showers too. It can effectively remove hard water spots, soap scum, rust, limescale, and any other types of grime and stains without the need for scrubbing. And since this cleaner has a non-abrasive ingredient leaving the original texture and color of the shower after removing all the dirt.

It is easy to use this cleaning agent. Just apply it directly from the container on a dry surface. Using a dry napkin, non-abrasive brush, apply a liberal amount, wait for the surface to absorb the product and rinse it with water after. It will remove all the spots, fingerprints, and smudges behind. What you’ll get is a shiny and clean fiberglass shower.

Weiman Bathtub cleaner is very versatile. You can use it on tiles, vanities, shower, shower doors, and even hulls. However, you should not apply it on alloy, aluminum, any painted surface, or magnesium wheels. It has an ingredient that could harm this type of material. Also, this cleaning agent contains 2-Butoxyethanol that could hurt the skin and eyes.


  • It is an effective and powerful agent that can remove tough stains
  • Non-abrasive, would not tarnish the shine on your fiberglass shower
  • Versatile can be used in any surfaces in the bathroom except aluminum and alloys
  • Easy to use


  • It contains a harmful ingredient that could harm the skin and eyes
  • It does not work on discolored surfaces

9. RMR-86 Instant Mold and Mildew Stain Remover

The most common cause of stains in the fiberglass shower is mold and mildew. This instant spray cleanser can remove these black stains that can go beneath the surface. It has a powerful cleaning mechanism that leaves a clean, spotless look fast, in a matter of seconds. The components in this cleanser are fast-acting as it instantly targets the deeply embedded stains that stay on the shower stall, tiles, and grout.

It is ready to use and does not require any scrubbing, another great feature that makes this brand highly recommended. The cleanser is convenient to use. With a simple spray, it quickly acts on the targeted stain, wipe it off or rinse and see the stain disappears. It is so versatile you can use it in removing tough stains in the kitchen, toilet area, drywall, and even on vinyl shower curtains.

This cleanser is safe to use as it does not contain any harmful chemicals. It’s toxic-free and can be sprayed around children and pets. The RMR-86 Stain Remover can also remove unwanted odors and doesn’t leave behind an offensive scent as other cleansers do.


  • Fast-acting cleanser
  • Deeply cleanses the surfaces to remove stubborn dirt
  • Simple to use, no scrubbing need
  • Safe for use on different surfaces


  • The packaging needs improvement

10. TR Industries GG-1, the Original Gel-Gloss Kitchen and Bath Polish and Protector

This product is different from the rest of the cleanser we have reviewed above because this is in gel form. It’s an original gel-cleanser that you can use on a variety of surfaces ranging from showers, fiberglass tubs, spas, laminate countertops to vanity tops, and even ceramic cooktops and glass. It quickly cleans these surfaces while removing the scratches on the surface.

Aside from removing water spots on the surfaces, it also gives it shine and protection. It is the only cleanser that contains Carnuba wax. This is the protective wax that coats the surface after cleaning. With such coating, it gives back the shine on its surface.

This is a specially formulated product that has three-in-one action: it cleans, polishes, and protects whatever surface you applied it to. More than anything else it effectively cleans fiberglass showers by removing soap scum, mineral buildup, and oxidation then coats the surface to give it shine and protection.


  • Multiple action cleanser
  • Has a non-abrasive component
  • Restores and protects the surface
  • Can be used on different surfaces


  • It may contain harmful ingredients

11. ForceField ScumBlaster: Soap Scum Remover

If you want to save on your fiberglass shower cleaner, then you better buy this ForceField ScumBlaster. One bottle contains the cleaning power of five bottles, you don’t have to spend much on cleaning your shower. Thanks to its industrial-grade formula, it is a cleaning concentrate that you can dilute according to how much you need.

Molds and mildew are common problems in many bathrooms because the moisture and temperature create a perfect environment for them to grow. You need a tough and powerful cleanser to remove and prevent them from coming back. The special formulation in this cleanser helps to effectively remove the mildew from your fiberglass. It is also an excellent cleaner for other surfaces like your sink, showerhead, toilet, and tiles.

With ForceField ScumBlaster, which can clean almost any surface in your bathroom, you won’t need any other cleaning products. It is safe to use with organic salt components and does not contain bleach. This cleanser is recommended by professionals and homeowners alike.


  • More economical as it comes in bundles
  • Industrial strength and professional-grade cleanser
  • Can be used in any surfaces, all-around bathroom cleanser
  • Safe and environment-friendly


  • It needs scrubbing to clean

12. Rejuvenate Scrub-Free Soap Scum Remover

Fiberglass is sensitive to scratches and one it has them, there is no way you can bring it back to its original condition. That is why you need a cleanser that is non-abrasive to save it from unnecessary scratches. This is what Rejuvenate can do. This cleans is a scrub-free, scum remover that has a non-abrasive and anti-scrubbing formula. It gently cleans the surfaces without hassle. You can use it not only on fiberglass showers but on ceramic tile, glass, plastic, chrome, and many more.

The Rejuvenate Scrub-free Scum Remover does not contain toxic compounds and is non-scented. It is also easy to use, you only need to spray a liberal amount on the surface and rinse it. The surface will have a lasting shine-free of streaks. No need for scrubbing, it cuts your cleaning time in half and lets you attend to other areas in the bathroom that need cleaning. It’s no wonder this product has received many awards, it cleans effectively and efficiently.


  • Contains non-toxic ingredients
  • Can clean by removing scum and mineral deposits effectively
  • Comes in an easy spray bottle
  • Fast-acting can give results in three minutes


  • Not scent-free as claimed
  • The ingredients are not stated on the label

13. Wet and Forget 801064 Shower Cleaner

Another shower cleaner that made it on our list is a brand with an unforgettable name, Wet and Forget. It is an effective shower cleaner that cleans and removes grease, limescale, and other hard to remove stains. It is convenient to use because it comes in a spray type container.

Just spray it on the surface, leave it for a while for the stubborn dirt to be dissolved and rinse the next day. The results are amazing, as it cleans thoroughly to give your bathroom a new life. It also leaves a refreshing vanilla scent that you will love.

This cleaner is effective on many surfaces and items in the bathroom. Be it the shower curtain, the tub, fixtures, and even basin. Wet and Forget Shower Cleaner can clean it without scrubbing or wiping. It also does not have harsh fumes that are dangerous to your health. It has a special formula that makes cleaning the fiberglass shower easy.

Wet and Forget Shower Cleaner is suitable for many surfaces, convenient, and economical to use. It contains no harsh chemicals that will be harmful to your kids and pets.


  • Affordable and economical to use
  • Leaves a pleasant vanilla scent
  • Easy to use with a high-efficiency sprayer
  • Does not contain ammonia, bleach, and irritating fumes


  • Not advisable for tough stains
  • Needs weekly use to get better results

14. Skylarlife Home Mold & Mildew Remover

Another effective cleanser for deep stains on fiberglass showers is the Skylarlife Home Mold &Mildew Remover. It is a slow-acting but powerful gel concentrate that is good at targeting molds and mildew on different surfaces. Unlike the conventional cleaners in spray form, it comes in a gel. You might say that it’s difficult to use this type of cleanser but, it has some advantage over your typical cleanser.

The advantage of using gel is it can cling to tiles and silicone sealants around the windows, sinks, and baths, showerheads, and more. Since it is a gel, it will not flow down in inclined and vertical surfaces. It will clean more effectively because it’s longer-lasting and more targeted.

This product is easy to use. Just apply on the targeted surface, leave it for 6 to 8 hours, and rinse the area with clean water. You don’t have to scrub it. And because it is not watery, it cleans the area thoroughly.


  • Easy to apply
  • Does not drip on vertical or inclined surfaces
  • Works effectively on different types of surfaces
  • No scrubbing needed


  • It contains ingredients that could harm the skin and eyes, use gloves when applying the gel
  • It has an overwhelming smell, make sure you have proper ventilation when using the gel

15. Star Brite Ultimate Fiberglass Stain Remover

Another entry on our list of the best fiberglass shower cleaner is from Star Brite, a known manufacturer of excellent household products. Its fiberglass cleaner and stain remover do not disappoint as it can remove deep stains from the surface of the shower stall. The solution clings to the stain to effectively penetrate the dirt and gives it a maximum clean.

It can cover all the spots where it is applied and easily dissolves them. You can use it to remove the yellow waterline stains, blemishes. No need to stress your arms in scrubbing the dirt away, the cleaner will do all the work without fuss.

The Star Brite Fiberglass Cleaner is effective for cleaning not only fiberglass but other surfaces like glass, rubber, plastic upholstery surface too. It will not harm painted surfaces and vinyl because it does not contain any harsh chemicals.


  • The gel formulation sticks to the surface
  • Penetrate deep stains and effectively remove them
  • Does not need heavy scrubbing
  • Safe for all surfaces because it does not contain caustic acids


  • Several applications are needed for stubborn dirt
  • Not effective for use in hulls

16. Chomp SCA Shower Hard-Water Bathroom Gel Cleaner

For those who are looking for a cleaner that not only cleans but deodorizes the bathroom as well, you should give Chomp SCA Gel Cleaner a try. It is a magic cleaning agent that can remove grime, scum, and residues from your fiberglass shower. This cleaner is also an effective hard water gel you can use to remove soap scum, hard water spots, and other forms of dirt on your fiberglass shower.

The Chomp SCA Gel Cleaner is a versatile cleaner you can use for multiple surfaces. You can apply it to your fiberglass shower and glass shower doors. Aside from them, you can also use it to remove the dirt and stains on your tiles, faucets, and bathtubs.

It has a safe and non-toxic formula that won’t harm you. Unlike other bathroom cleaners, it contains all-natural ingredients that do not irritate and without toxic fumes. The cleaner leaves a gentle scent other than a sparklingly clean bathroom.

Using this gel cleaner is easy. Just squirt a required amount on the targeted surface, use a sponge to spread the liquid and allow it to soak for a little while. It allows the gel to break down the hard water spots, soap scum, hardened minerals like calcium, and stubborn dirt. A light scrubbing on the surface is needed to loosen and remove the stubborn dirt and rinse it with water.


  • Cleans effectively and leaves a pleasant smell
  • Can be used on multiple surfaces
  • Removes hard water stain and buildup
  • Non-toxic and safe to use


  • May leave residue streaks on the surface
  • It needs several applications to remove the stains

17. Bar Keepers Friend Soft Cleanser Liquid

This fiberglass shower cleaner kit includes the liquid cleaner and the non-scratch heavy-duty scouring dishcloth. It is a premium soft cleaner that can clean dirty surfaces and gives its natural shine. It is a versatile cleaner that you can use on multiple surfaces to make cleaning simple and easy. We love that it has gentle formulation and does no harm when it comes in contact with the hand or skin.

Bar Keeper’s Friend is specially formulated to polish dirty surfaces and leaves them clean. It is a versatile cleaner that can accommodate different surfaces like fiberglass, tile, chrome, porcelain, ceramic, and many more. The solution is non-abrasive and can easily remove tough stains, scum, and hard water stains. Aside from that, you can also use it to remove rust and tarnish from copper and brass.

You don’t have to worry about scratching the fiberglass in your shower because this cleanse is 100% scratch-free and can outlast any ordinary cleaning sponge you have in your arsenal.


  • With quick rinse formula
  • Cleans tough and hard to remove stains and scums
  • Non-abrasive but leaves the surface polish
  • Easily scrubs down dirt


  • Does not have a disinfectant
  • It can scratch the plastic and fragile surfaces

18. Better Life Natural Tub and Tile Cleaner

A cleaner that is all-natural but can efficiently remove stains, that’s what Better Life Natural Tub and Tile Cleaner is all about. It is safe to use around pets and kids and is environment-friendly. For those who are looking for a green alternative for fiberglass shower cleaning, this is a perfect alternative for you.

It contains non-toxic and biodegradable ingredients that can remove hard water stains, soap scum, and rust. This cleaner is simple to use. Spray on the surface, leave it for a while for the cleaning agent to soak and rinse with water. It is completely safe and does not have any irritating fumes or scent that lingers in the bathroom.

This powerful cleaning agent contains high-quality organic compounds that are beneficial to your health. Aside from being a powerful cleaning agent also contains antibacterial, antimicrobial, and antifungal properties. The eucalyptus components leave your smelling clean and fresh.


  • Non-toxic cleaner with antimicrobial properties
  • Can effectively clean mineral deposits, tough soap scum, and hard water stains
  • Leave a refreshing scent
  • Removes rust, molds, mildew, and stains


  • Cannot remove deep stains
  • Thick and foamy, hard to rinse

19. Kaboom Foam Tastic Bathroom Cleaner with OxiClean

Now, this is something new, a cleanser that changes its color as it cleans. This revolutionary cleaner is called Kaboom Foam-Tastic Bathroom Cleaner with Oxiclean. It takes the guesswork out of your cleaning chore because it changes to white to let you know that the surface is already clean. It comes in an aerosol spray can, so it’s easy to clean.

When you spray this cleaner on the surface, it is originally blue. But as the OxiClean content in the bubbles works on soap scum, calcium deposit, lime stains, and hard water, the color will change to white to reveal a sparklingly clean surface without any residue left on the surface. It is a powerful cleaning agent that is tough on grime and dirt without any hard scrubbing needed. Aside from leaving your bathroom clean, it also leaves a light citrus scent.

 The only drawback with the cleaner is it contains chemicals that may irritate your eyes and skin. However, it does not have toxic fumes and can be used on a wide variety of surfaces that includes fiberglass, shower doors, vinyl curtains, sinks, countertops, and unsealed granite.


  • It magically turns to white to indicate that the surface is clean
  • Clean tough stains and dirt
  • Leaves a fresh scent
  • Easy to use


  • Contains toxic chemicals

20. Rain-X 630035 Shower Door Cleaner

If you have a fiberglass shower, you know that they can get spotty and cloudy. The Rain-X Shower Door Cleaner can be your great ally to clean your shower without hassle. It is specially formulated to remove soap scums, mineral deposits, and hard water stains from these surfaces.

This cleanser comes in a cream form, instead of the usual liquid that other cleaners have. As a cream, it is not runny and easy to spread out and wipe it off. It needs no hard scrubbing because the cream effectively dissolves the toughest stains, leaving your shower clean and sparkling.

It has no abrasive contents, so it leaves no scratches on the fiberglass. This cleaner targets the stains and dissolves them. A little scrubbing will remove the tough stains while leaving the glass crystal clear.


  • Comes in spreadable cream form
  • Easy to use, no hard scrubbing needed
  • Excellent in removing soap scums and stains
  • Leaves no scratches on the glass


  • Cannot remove hard water stains
  • It needs multiple coatings to get the maximum effect

Factors to Consider When Buying the Best Fiberglass Shower Cleaner

Finding an excellent fiberglass shower cleaner is a must for every homeowner, but it is not easy too. You may know how to clean a fiberglass shower but without the right cleaner, it can be a challenge. Here are the factors that you should consider in getting the right cleaner you need.

The Cleaning Surface

The first thing that you should consider when choosing a fiberglass shower cleaner is the type of surface you are going to clean. By knowing the type of surface that needs cleaning, you will not end up buying a cleaner that could harm it. Some cleaners may contain abrasives that could scratch fiberglass, so better avoid them. Make sure to read the labels and invest in something versatile that could clean multiple surfaces.

Amount of Stain and Dirt

The shower can accumulate a significant amount of grime and dirt every day. Some cleaners can remove scums while some are not suitable for hard water stains. Check what kind of stains and grime the cleaner can remove before buying it.

Water Quality

If you are living in an area with hard water, all other shower cleaners that are not capable of cleaning hard water stains are useless. It will not be effective in removing tough watermarks and limescale. You must choose a cleaning agent that can clean hard water stains.

Concentrate or Diluted Form

There are plenty of choices when it comes to bathroom cleaners. It can be diluted, gel, or concentrate. A concentrated solution can be diluted depending on the strength you need. It can deal with different stains and dirt and will be cost-effective.


Buying a versatile cleaner that can be used for different types of cleaning. It will not only save you precious closet space and save you money as well. Choose a cleaner that not only cleans fiberglass but tiles and other surfaces too.


Cleaning a fiberglass shower can be daunting, especially if you are not using the right product. You can save a lot of stress and elbow grease if you choose one from the best fiberglass shower cleaners that we have discussed here.

You can choose any from our list because it covers a wide range of stains, from hard water to soap scum. Some of them can also be used for other parts of your bathroom and leave a refreshing smell. Select a cleaning agent that suits your requirements. Make sure that the area is well ventilated, and you are wearing your gloves to prevent skin irritation. Happy cleaning.

Website | + posts

My name is Eugene Thornhill. I'm an outdoor enthusiast who loves nothing more than being one with nature. I've lived in numerous outdoor homes and even constructed my own. Living off-grid is something I'm very familiar with, more so than living in the city. For many years I've dealt with the many problems of living off-grid. It's time to pass on my knowledge through Cabinguides.

Leave a Comment