Fiberglass sinks are popular for utility sinks because they are durable and easy to clean. However, if not cleaned properly, dirt and grime can build up over time and make it difficult to keep your sink looking its best.

Cleaning a fiberglass sink can be a daunting task, but with the proper tools and techniques, it can be done in no time at all! 

In this blog post, we’ll show you how to clean your fiberglass sink using simple steps and products. So keep reading for step by step instructions on how to clean your fiberglass sink like a pro!

7 Steps To Clean Fiberglass Sink

  1. Start by scrubbing the sink using mild dish soap and warm water. Make sure to rinse it off with clean water before proceeding.
  2. For tough stains, use a non-abrasive cleaning pad soaked in vinegar or baking soda solution. Gently rub the stained area until the stain is gone and then rinse with clean water.
  3. For tougher stains, you can use a soft bristle brush or a pumice stone to scrub the area.
  4. Once all the tough stains are removed, apply a specialty cleaner designed for fiberglass sinks and allow it to sit for 15 minutes before rinsing off with warm water.
  5. Afterwards, dry the sink thoroughly and apply a wax or sealer to protect the surface from future damage.
  6. To maintain your fiberglass sink, regularly rinse off any dirt and grime with warm water and mild dish soap. Reapply the wax or sealer periodically to ensure that your sink stays in tip-top condition.
  7. Finally, for deep cleaning and shine, you can use a professional-grade cleaner made specifically for fiberglass sinks. Follow the instructions on the product to ensure that you get the best results.

After all these steps, your fiberglass sink should be looking as good as new!

What products to use to clean your fiberglass utility sink? 

  1. Soft Scrub All-Purpose Cleanser: Soft Scrub All Purpose Cleanser is a great option for cleaning fiberglass utility sinks. It is a non-abrasive, bleach-free cleanser that removes dirt and grime without scratching the surface.
  2. CLR Cleaner: CLR Cleaner is another great option for cleaning fiberglass utility sinks. It contains no abrasives or bleach and it can be used on multiple surfaces including ceramic, porcelain and stainless steel.
  3. Dawn Dish Soap: Dawn Dish Soap is a mild cleanser that can be used to clean fiberglass utility sinks. It is strong enough to cut through grease and grime, but it should be used sparingly as too much soap can cause streaks on the sink’s finish.
  4. Bon Ami: Bon Ami is a mild abrasive cleanser that can be used on fiberglass utility sinks. It does not contain chlorine or other harsh chemicals, making it safe for use on most surfaces.
  5. White Vinegar: White vinegar is a great natural cleaner for fiberglass utility sinks. Mix equal parts white vinegar and water and use a soft cloth to wipe down the sink. 
  6. Baking Soda: Baking soda can be used as a natural cleanser for fiberglass utility sinks. Add some baking soda to a damp cloth and scrub away dirt and grime from the skin’s surface.
  7. Windex: Windex is another good option for cleaning fiberglass utility sinks. Use a soft cloth to apply Windex to the sink’s surface and then rinse with warm water. The powerful formula cuts through dirt and grime without leaving streaks or residue behind.

These are all great options for cleaning fiberglass utility sinks but always make sure to test the product on a small area first to ensure there is no damage or adverse reactions. Never mix cleaners as this can be dangerous.

How to remove paint from a plastic utility sink?

For removing paint from a plastic utility sink, you will need to use a combination of scraping and chemical solutions.  Start by using a putty knife or scraper to gently remove any loose pieces of paint that are already flaking off the surface.

Be careful not to scratch or mar the plastic while doing this. Once all the loose paint has been removed, mix up a solution of one part white vinegar and two parts warm water in a bucket.  Soak the sink with this mixture for at least 10 minutes. This will help to break down the remaining paint and make it easier to scrape off.

Once all the paint has been removed, wipe down the entire sink area with a damp cloth and let it air dry before use.

For more stubborn paint residues, you may need to use a stronger chemical remover such as muriatic acid. Always wear protective gear when using this type of chemical and follow the manufacturer’s instructions carefully.

Also Read: Why Does My Kitchen Sink Smell Like Sewage?

Tips for keeping your fiberglass utility sink looking new

  • Clean your fiberglass utility sink regularly: Regular cleaning will help keep dirt, soap scum and other residues from building up on the surface and causing permanent damage.
  • Rinse thoroughly after washing and dry with a soft cloth: This will help to keep dirt, soap scum and other residues from settling into the surface of the sink.
  • Wax your fiberglass utility sink every few months: Apply a good quality wax such as marine grade wax or car wax to the entire surface of your sink to protect it from staining and wear.
  • Avoid using harsh chemicals on your fiberglass utility sink: This can damage the surface of your sink and cause it to become brittle or discolored over time.
  • Replace any worn-out parts in your fiberglass utility sink: This will help keep it working properly and looking its best.
  • Avoid using abrasive cleaners or scrubbers on your fiberglass utility sink, as these can scratch the surface of the sink and cause permanent damage.
  • Refinish the finish on your fiberglass utility sink periodically: This will help to restore the original shine of your sink and make it look new once again.
  • Don’t leave standing water in your fiberglass utility sink for long periods, as this can cause staining or discoloration over time.
  • Keep your fiberglass utility sink away from heat sources or high humidity, as this can cause the surface of your sink to become brittle and crack.

FAQs – Fiberglass Sink Cleaning

How do you restore a fiberglass laundry sink?

Restoring a fiberglass laundry sink typically involves cleaning the surface, filling in any cracks and chips, sanding, priming and painting.

To begin, scrub the sink with a mild detergent or baking soda using a soft sponge or cloth to remove any dirt and grime from the surface. Once it is clean, fill any cracks or chips with epoxy putty.

Allow the putty to dry completely before sanding it down. After sanding, use a degreasing cleaner and then rinse the sink thoroughly with water.

Apply a coat of primer to the sink before painting it with marine-grade paint for lasting protection. Let the paint dry and enjoy your newly restored fiberglass laundry sink!

How do you get stains out of a utility sink?

Getting stains out of a utility sink can be tricky, but with the right materials and some patience, it can be done.

Below are some methods for removing stubborn stains from your utility sink:

  1. Use a Magic Eraser: A Magic Eraser is a great way to remove stubborn tough stains from your utility sink. Simply soak the eraser in warm water for 30 minutes and then use it to scrub away the stain gently.
  2. Use a Baking Soda Paste: Another easy way to remove stubborn stains is to make a paste of baking soda and water. Rub this paste over the stained area of your utility sink, let it sit for 10 minutes, then use a damp cloth to wipe away the paste.
  3. Use Vinegar: Vinegar is a great natural cleaner that can remove tough stains from many surfaces, including your utility sink. Simply mix equal parts white vinegar and water and then use it to scrub away the stain.
  4. Use Lemon Juice: Lemon juice is another natural cleaner that works wonders on stains. Simply mix equal parts of lemon juice and water and then use it to scrub the stain away.

By following these steps, you can easily remove tough stains from your utility sink and keep it looking clean and new.

How do you remove discoloration from fiberglass?

Fiberglass can easily become discolored over time due to oxidation, fading from the sun or other environmental conditions.

To remove discoloration from fiberglass, you’ll need to use a mild abrasive cleaner. Wet the surface of the fiberglass with water and apply a small amount of an approved cleaning product such as Soft Scrub. Gently scrub the discolored area in a circular motion with a sponge or soft-bristled brush to remove the stain. Rinse off the cleaning product and inspect for any remaining stains.

If there are still spots you can use a stronger cleaner such as Simple Green Pro HD Heavy Duty Cleaner, which is specially formulated for fiberglass. Be sure to follow the instructions on the label and take care not to use too much cleaner.

Final Words

The method for cleaning a fiberglass utility sink that we described above is simple and effective. It is important to take the time to clean your fiberglass utility sink on a regular basis in order to keep it looking its best and functioning properly.

By following the simple steps we outlined in this post, you can be sure that your sink will stay free of dirt, grime and another build-up.

Be sure to follow the manufacturer’s instructions on cleaning and maintaining your sink to ensure optimal results.