How to Remove Rust Stains from the Toilet

Keeping your house clean and sanitized is an ongoing effort for many homeowners. The bathroom is one area, in particular, that gets the most family use yet is probably your least favorite place to clean.

If you’re dealing with rust stains in your sink, shower, or toilet, bathroom cleaning can quickly become an even bigger burden. And as you attempt to successfully remove unsightly stains and get your bathroom looking, functioning, and smelling its best, you might find yourself spending the majority of your Saturday preoccupied with cleaning.

What Causes Rust Stains in My Toilet?

Hard water build up is typically the main reason why you’re seeing rust stains in the toilet. These stains are often caused by iron, natural acid, or minerals in your water supply that leave behind stains that are incredibly difficult to remove with most cleaning products or homemade DIY remedies.

How to Clean Toilet Tank Rust

If your bathroom area is becoming a eye sore in your home, due to toilet rust stains, there are a number of effective ways you can remove these stains:

Keep Your Toilet Clean: It’s recommended that to help prevent the build up of hard water, you’ll need to clean your toilet on a regular basis, at least once a week.

  • If you like to avoid the use of harsh chemicals, such as bleach, in your home, everyday household products like baking soda and vinegar make excellent substitutes to help remove rust from your toilet and disinfect the area.
  • According to Mr. Rooter Plumbing, creating a mixture that consists of 3 parts baking soda: one part vinegar: and ¼ cup borax, which is a popular powdery mineral used for cleaning purposes, will produce a powerful cleaning agent that allows you to carefully remove rust stains from the toilet

Replace Outdated Iron Piping: If you live in an older home, you may have old cast iron pipes that are causing corrosion build up in your water. Water with a low pH is acidic and can erode pipes and leave blue and green stains behind in your sink, shower, and toilet area.

  • Signs that your pipes may require replacing include, among others:
    • Odor
    • Leaks
    • Water discoloration

Install a Kinetico Water Softener Water: Though cleaning your toilet regularly can help minimize hard water build up, an effective way to remove future rust stains from your toilet is by installing a Kinetico water softening system. With soft water flowing throughout your plumbing pipes and fixtures, you’ll instantly eliminate scale build-up, saving you hours of toilet bowl cleaning. Having an effective water softening solution can also protect your plumbing and appliances and improve the health and safety of your water for the entire family.

Remove Rust Stains from Your Toilet with Aquarius

As an authorized dealer of Kinetico Water Softeners, our team at Aquarius Water Conditioning works to ensure customers throughout Minnesota and Wisconsin enjoy the health and cost-saving benefits of an effective water softening solution.

If you’re dealing with rust stains in your toilet and bathroom area, or if you’d like to learn more about our products and services, contact us today or request a free online quote!


I’ve noticed that many people ignore their water unless it’s causing a visible problem. But having good, clean water impacts the quality of their lives.

More and more people seem to understand that and are interested in improving their water now. Kinetico can help.

Mike Holmes

DIY Network