The toilet has been used for a long time, the drain is small, and it takes a lot of water to flush i

Updated on Toilet 2024-07-11
1 answers
  1. Anonymous users2024-01-24

    If this is the case, you can rinse and rub it with dilute hydrochloric acid, or there is a special detergent for rust removal in the supermarket, the effect is good, you can try it.

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Pour concentrated hydrochloric acid or concentrated sulfuric acid to soak it to dissolve the scale, try not to go to the toilet after pouring strong acid into it, let it dissolve slowly, it is best to pour it in before going out, once it is not clean, it is two or three times, it is very troublesome to do so but the effect is also the best.