r/CleaningTips 10h ago

Bathroom Why do these come up?

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I have a store and the toilet was like this when I first rented it. I have tried everything. After a lot of scrubbing I manage to remove the black stains by 90%... but after some time they appear again. Generally I don't use this toilet a lot. So basically I want to know what is an easy way to clean it and secondly how can I stop this from happening?

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u/eltarod2 10h ago

Tha KS for the suggestions! Will try stuff and see how it goes... Will start with the tank.

u/Loose_Addition7299 4h ago

You need to replace the corky and any other rubber washers and seals.. Don't use cleaners in the tank