An acrylic bathtub is a luxurious yet delicate fixture that demands proper care to maintain its pristine condition. Cleaning an acrylic tub the right way ensures longevity, preserves its glossy finish, and eliminates harmful bacteria and grime. In this comprehensive guide, we will walk you through the best techniques to clean an acrylic bathtub, what products to use, what to avoid, and how to keep it looking new.

What Is an Acrylic Bathtub?

An acrylic bathtub is made from vacuum-formed acrylic sheets that are reinforced with fiberglass. These tubs are lightweight, retain heat well, and are available in various styles. However, acrylic is a soft material, meaning it's susceptible to scratches, stains, and discoloration if cleaned improperly.

Essential Tools and Supplies for Cleaning Acrylic Bathtubs

Before beginning the cleaning process, gather the following non-abrasive tools and gentle cleaning supplies:

Soft sponge or microfiber cloth

Liquid dish soap

White vinegar

Baking soda

Spray bottle

Plastic bucket

Old toothbrush (for corners and grout)

Warm water

Rubber gloves (optional)

Avoid using abrasive scrubbers, steel wool, or harsh chemicals like bleach or ammonia that can damage the acrylic surface.

Daily Maintenance Tips to Keep Your Acrylic Bathtub Spotless

Consistency is key in preventing grime buildup. Follow these quick daily maintenance tips:

Rinse the tub with warm water after every use to remove soap scum.

Wipe down the surface with a microfiber cloth or sponge to prevent water spots.

Dry the tub completely to avoid mineral deposits and mold.

Deep Cleaning Method: Weekly or Bi-Weekly Routine

For a more thorough cleaning session, follow these step-by-step instructions:

1. Fill the Bathtub with Warm Water

Plug the drain and fill the tub with warm (not hot) water until it reaches 2-3 inches. This helps loosen dirt and residue.

2. Add Gentle Cleaning Solution

Add two to three tablespoons of liquid dish soap or a mild acrylic tub cleaner to the water. Stir the mixture gently.

3. Let It Soak for 10-15 Minutes

Allow the soapy water to break down body oils, soap scum, and dirt. This soaking time is essential for an effective clean.

4. Scrub Gently

Drain the tub. Dampen a soft sponge or microfiber cloth with warm water. Scrub in circular motions, paying special attention to corners, edges, and high-touch areas.

5. Use a Baking Soda Paste for Tough Stains

If stains persist:

Mix baking soda with water to form a paste.

Apply to the stained areas and let sit for 10-15 minutes.

Scrub gently with a soft brush or sponge.

Rinse thoroughly.

6. Rinse with Clean Water

Use a bucket or handheld showerhead to rinse all residue off the tub. Ensure no cleaner or baking soda remains.

7. Dry and Buff the Surface

Use a clean microfiber towel to dry the tub. Buff the surface gently to restore its natural shine.

How to Remove Hard Water Stains from Acrylic Bathtubs

Hard water stains are common, especially in areas with high mineral content. To treat them:

Mix equal parts white vinegar and water in a spray bottle.

Spray generously over stained areas.

Let sit for 20–30 minutes.

Wipe with a soft sponge.

Rinse thoroughly and dry.

Caution: Do not use vinegar too frequently as excessive use may dull the acrylic finish over time.

How to Remove Mold and Mildew from Acrylic Bathtubs

Mold can appear around the caulking, grout, and under the rim of the tub. Here's how to clean it safely:

Make a solution of 1 part vinegar to 3 parts water.

Spray directly onto moldy areas.

Let sit for 15–20 minutes.

Scrub gently with an old toothbrush.

Rinse and dry the area completely.

For stubborn mold, substitute vinegar with hydrogen peroxide but avoid bleach-based cleaners which can damage acrylic.

Best Commercial Cleaners for Acrylic Bathtubs (Safe Options)

If you prefer store-bought options, here are safe and effective cleaners designed for acrylic tubs:

Scrubbing Bubbles Bathroom Grime Fighter

Method Bathroom Cleaner (Plant-Based)

Better Life Natural Tub & Tile Cleaner

Rejuvenate Soap Scum Remover

Always check the label to ensure the product is safe for acrylic surfaces and does not contain abrasives or harsh chemicals.

What Not to Use on Acrylic Bathtubs

Avoid using these common products, as they can scratch, dull, or discolor your acrylic bathtub:

Bleach or ammonia

Magic erasers (they're mildly abrasive)

Abrasive powders or scouring pads

Acetone or nail polish remover

Steel wool or wire brushes

How to Polish and Restore Shine to a Dull Acrylic Bathtub

Over time, acrylic may lose its luster. Here’s how to restore it:

Use an acrylic-safe polish, like Gel-Gloss or Novus Plastic Polish.

Apply a small amount to a clean microfiber cloth.

Rub gently in circular motions.

Let it sit for a few minutes.

Buff with a dry cloth until you achieve a glossy finish.

Preventative Tips to Keep Your Acrylic Bathtub Looking New

Install a water softener to reduce mineral deposits.

Use a bathtub mat that doesn’t have suction cups, which can damage the surface.

Never stand in the tub with shoes.

Avoid dropping heavy objects that could chip or crack the acrylic.

Conclusion

Keeping your acrylic bathtub clean and well-maintained doesn’t require harsh chemicals or expensive tools just gentle cleaners, consistent care, and the right techniques. Whether you're addressing tough stains or simply maintaining its shine, following these detailed steps will ensure your bathtub stays hygienic, sparkling, and beautiful for years to come.