Barkeeper's Friend Cleanser.....First flush toilet, turn water off so toilet won't refill. Pour cleanser in and around rust to make a paste with cleanser. Let cleanser sit on rust for a while or until you think rust may be gone, wipe off. Scrubbing bubbles may work too. I swear by this product but the key in it working is not to add a lot of water. Use dry towel to wipe away, but allow it to sit for a while as well! Just try to get toilet water as low as possible. You can scoop water out with a small cup.
BLEACH
You can remove rust stains from a toilet by applying a commercial rust remover or a mixture of vinegar and baking soda. Let it sit for a few hours, then scrub the stain with a toilet brush. For stubborn stains, you may need to repeat the process or use a pumice stone.
Toilet bolts can rust due to exposure to moisture in the bathroom. To fix this issue, you can replace the rusted bolts with stainless steel ones. To prevent rust in the future, you can apply a rust-resistant coating or use plastic toilet bolts instead.
Descaler is a powerful yet safe cleaner for rust and limescale.
Oxalic acid is effective at removing rust stains.
Acid, to help remove calcium carbonate and rust deposits.
It is important to address a rusty toilet in a timely manner because rust can weaken the structure of the toilet, leading to leaks and potential water damage. Additionally, rust can be a breeding ground for bacteria, posing health risks to those using the toilet. Addressing the issue promptly can prevent further damage and maintain a clean and safe bathroom environment.
Probably nothing wrong with the toilet. It is more likely that your pipes are full of rust or mineral deposits.
The average time for iron to rust can vary depending on factors such as humidity, temperature, and exposure to moisture. In ideal conditions, iron can start to show signs of rust within a few days to a few weeks.
Toilet screw caps are used to cover and protect the screws that hold the toilet in place. They contribute to the overall functionality of a toilet by providing a finished look, preventing rust and corrosion on the screws, and reducing the risk of injury from sharp edges.
Rust stains on porcelain are almost impossible to remove because the rust has most often combined chemically with the glaze and cannot be removed without removing the glaze. You could try acids (phosphoric acid for example).
The time it takes for a toilet to fill up completely can vary, but on average it usually takes about 2-3 minutes.