Simply pour a kettle of almost boiling water into the bowl, follow up with 250ml of citric acid, and leave it for some hours – preferably overnight. The next day, scrub and flush. What's good for those caked-on pots and pans after cooking dinner is also good for removing a brown stain on the bottom of the toilet bowl.
White vinegar is the must-have cleaning essential for your home, so of course you can use it in the bathroom too. Just pour some into your toilet bowl and let it sit for a few minutes, even better if you can leave it overnight, before scrubbing it away. This is sure to make your loo look as good as new.
If you get brown stains in your toilet bowl, the good news is that it's not caused by anything that you, ahem, do in the bathroom. 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.
The contaminants notorious for causing brown stains in toilet bowls are iron, manganese and sulfur. These pollutants can also produce iron bacteria, manganese bacteria and sulfur bacteria, which also can produce brown stains.
Brown stains are the result of hard water and not your cleaning wrongly. Don't use bleach as it will only bleach out the stain, but not remove it. Use a clean brush with plastic bristles.
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.
A much better solution is to use some WD-40 Multi-Use Product. Most people don't know that WD-40 can solve many of their household cleaning needs quickly and easily. When cleaning a toilet bowl, WD-40 works by softening the rust and lime deposits, so they can be easily wiped away. You don't need to use much of it.
Chances are these issues are caused from a mineral in your water called manganese. Seeing manganese stains from your water isn't an emergency, but at high levels, it can have an effect on the quality of your drinking water, laundry, appliances and plumbing.
To prevent calcium carbonate from piling up into your cistern, pour a single cup of white vinegar into it. The mixture should be three parts white vinegar to one water. After you pour it into the cistern, mix it slowly and carefully until it's evenly distributed.
The carbonic acid that is in coke is what helps to clean toilet stains. Picture the acidity slowly working its way through the stains, melting them away. It can take a while depending on how stubborn the stain is which is why it's vital to have a suitable cleaning method depending on how bad the toilet condition is.
"The biggest don't when it comes to toilet tanks is bleach—do not use bleach or products containing bleach inside the tank, as it can corrode the internal parts of your toilet. If you are aiming to remove tough stains from the tank, I also recommend white vinegar diluted with water."
You can clean toilet stains with a toilet brush, baking soda, and white vinegar. Household cleaning ingredients like Borax or a wet pumice stone can also scrub away tough mineral stains. If a light cleaning can't break through stubborn toilet bowl stains, you're probably dealing with mineral stains.
Grab some gloves and use a Magic Eraser to go to town on toilet bowl stains. Some users even recommend cutting a piece off and letting it dissolve the bowl to remove that unsightly ring all on its own.
Hydrogen Peroxide and Vinegar
“Combining these two creates peracetic acid or corrosive acid, an irritant that, in high concentrations, can harm the skin, eyes, throat, nose, and lungs,” says Bock.
As it turns out, you can actually unclog a toilet with dish soap instead of turning to a harsh, toxic bowl cleaner.
Simply wait and let the Coca-Cola work its magic in your toilet bowl. Just leave it in the toilet for at least 2 hours, though overnight is better. This gives the Coke more time to eat away at the unsightly stains in the toilet bowl.
Cleaning your toilet tank is pretty quick and easy with vinegar and baking soda. You only need to do it once or twice a year, and it can help get rid of bacteria, mold, and mineral deposits to keep you and your family healthy.
Let It Sit For 12 Hours
Leave the vinegar and water mixture in the toilet tank for 12 hours without flushing the toilet. This is why this cleaning process is best done overnight, as you are less likely to need the bathroom throughout the night than during the day.