LadyHarken 0 Report post Posted January 18, 2015 My undermounted kitchen sink of 2 wks started turning rusty. Does anyone has any idea what caused the rust?Thanks. Share this post Link to post Share on other sites
Dylanchua 4 Report post Posted January 18, 2015 Pictures would be helpful! WD-40 should clean it up. Share this post Link to post Share on other sites
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