Copper Testing Question

sjungers

Member
Jul 14, 2010
14
I have some dark staining in my medium dark blue quartz plaster pool. It seems to be accumulating around the return jets. Also I see a few black dotted areas on the floor. I've concluded a AA treatment a few days ago. I see that the treatment has lightened the stain somewhat, albeit very little. Will my La Mote copper test result be affected by the presence of the AA at this point? I'm getting a zero reading result now. Also I found out the reagents were expired in 2019. So I'm not sure what to think. Yes,I forgot to test first. At my age I am tending to do things in reverse order. Ha.
 

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ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
18,150
Northern NJ
A metals water test will only detect metal in solution. If the metal has come out of solution and deposited on the wall it will not be detected by a metals water test. AA would not effect the test.