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I have noticed after doing the test for cc and fc that at first the cc is clear. But after sitting there for a while it slowly goes from light pink and gets darker the longer I leave it there. How long should you wait till you get an accurate cc reading. Thanks for all the help. I feel great about my pool and the knowledge I have to keep it sanitary at the best price. Sharon :)
Most posters who have commented on this say to read CC immediately after you swirl the solution. If you don't see pink within a few seconds (I wait 4-5) there's no CC. If there's a slight pink tinge that goes away w/ 1 drop of #2 reagent, there's probably less than .5 CC. If it takes 2 drops, CC is about .5 -- more than 2 drops, and your CC is over .5 and you should shock. Hope this helps.
BTW I'm new to this, too, but Ben's kit and instructions make keeping my pool sparkling easy.:)
The reading is taken as soon as the color turns clear. The solution will regain a pink cast on standing..that is normal. Ignore it.