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Black resin sink turning white.

  Charlyp 14:19 28 Jul 2019
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Hi, just used sulfuric acid down sink to clear blockage. Some of it went on to black sink bowl so white bits which remind me of paint marks. Can anything be done to make it go back to black? Or new sink?

  wee eddie 14:25 28 Jul 2019

I suggest that you use a form of selective viewing.

I assume that the sink still works as a sink, and that it just offends your aesthetic sensibilities

  Forum Editor 17:23 28 Jul 2019

Some Epoxy resin sinks are resistant to sulphuric acid at 70% concentration, but they are attacked by it at 100%.

Your description seems to be about colour bleaching rather than surface attack, and I doubt that there's anything you can do about it.

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