Nontoxic Sink And Bathtub Scrub
Create a safer and healthier cleaning solution for your sink and bathtub with our DIY non-toxic bathtub scrub. This simple yet effective recipe uses natural ingredients to remove grime, stains, and build-up without harsh chemicals. Enjoy a sparkling clean bathroom while promoting a chemical-free environment. Discover the power of non-toxic cleaning with this easy-to-make scrub that’s gentle on your surfaces and the planet.
This post may contain affiliate links, like Amazon affiliate links, of items I know and love. Please use this DIY with caution and to your own discretion. Read our disclosure policy for more information. I NEVER use AI (artificial intelligence) to create content for Plum Branch Home. Recipes, blog posts, photos, videos, social media content: everything is made from scratch by me, Molly LaFontaine. What you see from Plum Branch Home is real. It’s made for a reason, tested, and loved!

This versatile and nontoxic bathtub scrub goes beyond tubs—it’s perfect for your kitchen sink, toilet bowls, and showers too! Experience the difference as it leaves no residue, providing a truly clean feel. As someone who prioritizes nontoxic cleaning, I developed this favorite scrub for my own home. I personally use it every week and absolutely love the results it delivers!
Does this Sink and Bathtub Scrub Disinfect?
Yes, I use this bathtub scrub every week. It’s great for tackling soap scum and dirty toilet bowls. While this non-toxic scrub hasn’t been third-party tested for disinfectant properties, it works perfectly for our everyday cleaning needs. Castile soap is a natural disinfectant, which adds to its effectiveness.
Nontoxic Sink and Bathtub Scrub Supplies
- 1/2 cup baking soda
- 1/8 cup castile soap
- 1/8 cup water
Nontoxic Sink and Bathtub Scrub Instructions
- First, add water and castile soap to a small glass jar and mix until combined.
- Next, add in baking soda and mix until a paste forms.
- Finally, top with a lid or use 1 Tablespoon to clean sinks, bathtubs, and toilet bowls.
Video Tutorial
How to Use This Scrub
You can use this versatile scrub on various surfaces such as tubs, sinks (both bathroom and kitchen), and even toilets. Simply use 1 tablespoon at a time for cleaning. To clean toilet bowls, add 1 tablespoon, scrub with a toilet brush, and let it sit for 5 minutes before flushing. For sinks, add 1 tablespoon, gently scrub with a brush, cloth, or toothbrush, let it sit for 2 minutes, and rinse. Similarly, for bathtubs, add 1 tablespoon to the shower/tub floor, gently scrub with a brush, toothbrush, or cloth, let it sit for 2-5 minutes, and rinse.
It’s a convenient and effective solution for multiple cleaning needs. Don’t use this scrub on natural stones like real marble and granite as well as grout. Be gentle when scrubbing no matter what.
Sink and Bathtub Scrub FAQ
- How to do I store this scrub? I store mine in a glass jar topped with a lid
- How long will this scrub last? This scrub should last a month or two
- What happens if it separates? This is completely normal, just stir it before use
- Will this scrub clog my drains? It shouldn’t if you use only 1 Tablespoon at a time. I haven’t had issues, just run hot water for a few minutes afterward to flush out any leftover scrub from your drain
- How does this scrub clean my surfaces? With baking soda helping get off any residue and castile soap cleaning the surface.
- What shouldn’t I use this scrub on? Don’t use this scrub on natural stones like real marble and granite as well as grout. Be gentle when scrubbing no matter what.
DIY Instructions
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DIY Instructions: Scrub
Nontoxic Sink and Bathtub Scrub
Equipment
- 1 small glass jar
Materials
- 1/2 cup baking soda
- 1/8 cup castile soap
- 1/8 cup water
Instructions
- First, add water and castile soap to a small glass jar and mix until combined.
- Next, add baking soda and mix until a paste forms.
- Finally, top with a lid or use 1 Tablespoon to clean sinks, bathtubs, and toilet bowls.
Video

