Try this: Swish a cup of vinegar around in the toilet bowl using a toilet brush, then add a cup of baking soda, followed by an additional cup of vinegar.
White vinegar is a good remedy to clean stubborn toilet stains. Pour a 120ml bottle of white vinegar into the toilet bowl and put down the lid. Don't use or flush the toilet for eight or so hours, then use a toilet brush to scrub.
The best way to clean toilet stains from tough mineral buildup is with lemon juice or any source of citric acid. Spray on the lemon juice and leave it overnight. Then spay on another light layer and wait a few minutes before scrubbing your toilet. Flush to rinse away the stain.
Instead, these unsightly brown stains are caused by minerals found in your water supply. If you live in a hard water area, your water supply will contain minerals such as iron, manganese, and calcium. When a toilet isn't cleaned regularly enough, these minerals leave behind deposits that slowly build up over time.
That brown toilet-bowl stain isn't what you think it is
It's actually due to high concentrations of minerals in hard water, like calcium, iron, and manganese, that build up inside the toilet bowl over time, according to Hunker. In particular, iron oxide, or rust, is the main problem.
A few different things can cause the brown build-up at the bottom of your toilet bowl. One possibility is that your water contains a high level of iron, which can leave behind rust-colored stains. Another possibility is that you have hard water, which can also cause mineral deposits to accumulate in your toilet.
You could be dealing with hard water. Not only will this leave an unpleasant look in your toilet, but it can also build up in your plumbing, harm your plumbing, and shorten the life of your appliances. If you think your home is battling hard water, you'll want to consider water softening options.
Urine scale and limescale leave visible deposits in the toilet. Whereas limescale is a mineral, urine scale contains several mineral salts. The waste in urine contains phosphorus, potassium, sodium, calcium and magnesium. These substances produce brown or yellow stains in the toilet bowl.
Dishwasher tablets are meant to dissolve hard water stains, so they're the perfect solution for cleaning toilets. Besides cleaning dishes and toilet bowls, you can use dishwasher tablets for a few more cleaning projects around the house.
WD 40 is great for cleaning out keyboards or loosening bike chains – but did you also know it is really good at removing limescale from your toilet? While it can be put to a number of helpful uses around the home, WD 40 is particularly good at softening rust and limescale deposits in the toilet (and bathroom).
For a more heavy-duty approach, you can pour an entire bottle of white vinegar over and around the bowl, remembering to cover all of it. Then, leave the vinegar to work for a few hours or overnight. Use your toilet brush to scrub any leftover limescale deposits away the next day.
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.
Pour a cup of Dawn liquid dish detergent into the toilet bowl and let it sit for 15 minutes. After 15 minutes, pour a bucket of hot water from waist height into the toilet bowl to clear it out. This tip comes from Merry Maids: Mix 3 drops of Dawn in 1 gallon of water and fill a spray bottle with the solution.
What is the best cleaner to use on toilets? For a toilet that just needs a refresh, Goldzweig recommends a homemade formula of one cup of white vinegar and one cup of baking soda followed by two more cups of vinegar to create a fizzing cleaner.
The solvents in WD-40 help dissolve gunk and lime in your toilet. Spray WD-40 in your toilet bowl and leave it for one to two minutes. Then, use a toilet brush to help scrub away the grime. Because it's so effective, there's no need to saturate your toilet—a little goes a long way.
White Vinegar and Baking Soda
Distilled white vinegar is a natural cleaner, disinfectant, and fungicide, and baking soda is a natural deodorizer, whitener, and mild abrasive. This stain remover combo works best when you need to know how to get rid of toilet stains caused by minerals or mold.
Measure a quarter cup of baking soda, add roughly 50ml of warm water and proceed to mix until it is a paste. Then, with a wet towel, wipe the seat and apply the paste to the stained surfaces.
Make a paste by mixing 1/2 cup of Borax and enough vinegar to form a thick paste. Spread the paste immediately onto the hard water stains in the toilet so they are completely covered by the paste. The Borax will harden quickly so don't add the vinegar until you are ready to apply the paste.