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Go to the supermarket to buy a clean toilet, buy a toilet brush, go back and add water to the toilet and stir it a few times, don't add too much water, there will be bubbles, pour it on the urine stains, and brush it with a brush It is easy to come down. That's how I do it all the time.
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It can be removed by rinsing with hydrochloric acid.
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Buy some oxalic acid and sprinkle it on top and wait for 10 minutes before rinsing.
You can rub it with a Viss ball and soapy water, if it is too thick, you can only coat it with sulfuric acid, but you should be careful in the operation process.
It can be removed with sulfuric acid.
My uncle used oxalic acid to open a restaurant, and he used this, which is very clean.
Mix the white vinegar and water evenly and pour it into the toilet bowl and let it stand for a few minutes to gently remove the urine scale and disinfect it. >>>More
Supermarket toilet cleaner. Maintain a good habit of flushing water after using the toilet.