Cyanuric test

Jul 24, 2011
17
0
#1
So I finally got a K-2006 kit and I was wondering how to interpret the CYA test. Should the black dot entirely disappear :?: Thanks.
 

JasonLion

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Platinum Supporter
TFP Expert
May 7, 2007
37,879
5
Silver Spring, MD
#2
Yes, the black dot should completely and totally disappear, as if it was never there, even after you stare at it for several seconds. The test is designed to be done in bright light, ideally direct sunlight with the view tube shaded by your body.
 
Jul 24, 2011
17
0
#3
Thanks. Also when I add the DPD powder it takes quite awhile to dissolve, if it's not completely dissolved will that influence the results of the chlorine test?
 

woodyp

Mod Squad
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TFP Expert
Apr 18, 2010
10,206
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East Texas
#4
Are you swirling it around? I on occassion, crush the larger crystals in the jar and it seems to work better too.