How To Clean Limescale from a Toilet

Want to know how to remove limescale from your toilet and return it to it’s original sparkling state?

Read on to find out how…

How to clean limescale from a toilet | Culligan Harvey
cleaning-toilet

Achieve a sparkling toilet bowl

Limescale buildup in a toilet can lead to unsightly stains, which not only dull the surface but can also be tough to clean. Over time, limescale deposits—caused by hard water—can block water flow under the rim, reducing the flushing power and allowing bacteria to thrive. Regular removal helps keep the toilet looking fresh and functioning efficiently.

limescale on tap

What is limescale?

Limescale forms when calcium and magnesium are deposited as hard water evaporates, leaving behind a chalky, scummy residue that’s often recognised on shower screens, showerheads, drinking glasses, and taps.
The colours of limescale can vary depending on the diverse compounds present in the water entering your home. Typically, limescale appears in shades of off-white or grey.

limescale-on-toilet

Why do I have limescale in my toilet?

Hard water has a knack for swiftly accumulating on sinks, showers, and toilets, leaving behind stubborn rust and scale stains that pose a challenge to remove. Additionally, it wreaks havoc on household appliances, hindering water flow in pipes and impeding the performance of various devices.
Among all the areas and appliances in our homes, toilets stand out as particularly problematic. Constantly subjected to heavy use and with stagnant water often present, toilets provide an ideal environment for limescale to flourish, exacerbating the issue.

vinegar-baking-soda

How to remove toilet stains with home remedies

Bleach may seem like a solution, but it only masks the problem temporarily by bleaching the scale, leading to a short-lived improvement before the stains resurface. The most effective approach involves using an acidic solution that can penetrate and dissolve limescale. Household staples like baking soda and white vinegar serve this purpose well.

The best way to tackle this problem is with an acidic solution, which can cut through the limescale. This can be achieved by using household products like baking soda and white vinegar.

To remove the toilet stains, you will need:

3 cups white vinegar
1 cup baking soda
Toilet brush
Step 1

Pour 1 cup of white vinegar directly into the toilet bowl and use a toilet brush to mix this around in the water. Leave it to sit for around one minute.

Step 2

Then, add 1 cup of baking soda to the toilet bowl, followed by 1 to 2 cups of white vinegar. When it begins to fizz, you should let the solution sit for about 10 minutes.

Step 3

Now, use the toilet brush to swish the solution around the bowl, ensuring the solution coats any stains that are above the waterline. Don’t flush the toilet just yet.

Step 4

Let the vinegar and soda mixture sit for up to 30 minutes, swishing it and scrubbing it with a toilet brush a couple of times until the stain has gone. Flush the toilet to rinse the mixture away and you’re finished!

Do you need a water softener?

Test the mineral content in your home’s tap water.

If it’s 100ppm or above, you have hard water. A water softener can help you avoid limescale buildup, saving time and money.

* PPM stands for parts per million and indicates the concentration of dissolved limescale minerals like calcium and magnesium in water.

00.00
parts per million*
0 100 200 300 400
Soft Hard Very Hard

Unfortunately we do not have data for your area but you could still benefit from a water softener.

Latest Cleaning blog posts

I was sick of buying descaler for the kettle. Now I have a Harvey Water Softener I use much less of everything and it all lasts so much longer. When I wash up, I only need a drop of washing-up liquid in the bowl not a squeeze – it’s quite amazing!
Jean, Oxfordshire

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