Toilet full of rust and lime, forget about bleach: you can solve the problem in the kitchen

Finally, you can try using a second compound, consisting of baking soda and white vinegar . They are mixed in hot water, which must be boiled in a saucepan. You wait half an hour and then flush the toilet. There may also be leftover foam, in this case scrub a little more with the toilet brush and flush again.
The ancient remedy of Coca Cola

The old remedy that has to do with Coca-Cola never fails. The carbonated drink is effective against any type of stubborn scale present inside and outside the toilet. It is poured into the glass and then left to act for several hours.

Finally, you pass the brush and flush the chain. The toilet is left clean and shiny, free of germs and bacteria.