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If there are special water stains, it is best to bring gloves to get them, generally this kind of thing is very hurtful!
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This is simple, you can make a little concentrated sulfuric acid, be careful not to get your hands, you can also use toilet cleaner, which is sold in supermarkets.
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Isn't there a cleaning solution for the removal of this kind of stuff for sale? Can be washed very clean.
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Oxalic acid direct wash 100% OK
The supermarket sells bathroom stain remover, which is very simple, spray it, and it will take a few minutes.
Oxalic acid can be used to clean the yellow stains of bathroom tiles, but the smell is a little big, be careful not to touch the skin, and you can also use toilet cleaning, all kinds of toilet cleaning can be removed.
Hydrochloric acid, oxalic acid, but pay attention to protect your hands when rubbing.
It won't be so troublesome to clean every day, you can go to the supermarket and buy a bottle of specially cleaned tiles or toilet cleaners, and brush the basin as well.
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