Just found this forum...chems out of whack on my pool

anonapersona said:
CYA can take a week or more to show on test. Please report your caculated CYA based on what you put in.

I thought it would bring it up to about 40 was what I was "calculating." Put 4# in on June 22nd. It's come up from 20 to 25. I put it in nylon hose and dropped it in the skimmer to dissolve it. Why would it take so long to show on a test????

Thanks!

JJ :mrgreen:
 
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