To remove the acid, use a solution of warm water, caustic soda, and vinegar.
How To Remove Acid Stain from Tiles
The first tile I remove was in my house. I tried a few things unsuccessfully to remove the stain, until I found out how to remove acid stain from tiles. This works miraculously and I’m sure it will work for you too. If this happened with you also, Here in below blog we have shared information about how to remove acid stain from tiles go and read that.
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