Can vinegar wash the toilet?

Yes, you can, but it's best to use a toilet cleaner that is specially used to wash the toilet, and there are toilet cleaners that are available in supermarkets, such as Toilet Cleaner and Mr. Wittmann. When using, first put the water in the toilet clean, and then pour Mr. Wittmann and the like into a dirty place, and then use a brush after 10 minutes to brush, the effect is better and then clean it is cleaner, but remember to wear a mask when cleaning, and remember to open the window for ventilation after cleaning;

Use dilute hydrochloric acid, because hydrochloric acid has the strongest ability to dissolve alkalis. However, concentrated hydrochloric acid should not be used, because concentrated hydrochloric acid can corrode sewer pipes. If it's not very serious, just brush it vigorously with a brush;

Oxalic acid is the safest product, you just need to add oxalic acid with warm water and pour it into the toilet bowl for ten minutes, and then scrub it.

Yes, it is especially effective in removing dirt.

Yes, this is good for limescale removal.

In fact, it is the principle of acid-base neutralization. If the macula is alkaline, it can be neutralized with acid.