If it were me, I'd retest the cya using the diluting method 1st. You may need to drain. You'll just be wasting bleach if you need to drain. Good testing aways gives you good answers about what to do next.
Re: Chlorine Lock ?
If it were me, I'd retest the cya using the diluting method 1st. You may need to drain. You'll just be wasting bleach if you need to drain. Good testing aways gives you good answers about what to do next.
Last edited by Watermom; 07-25-2014 at 07:05 PM. Reason: change "waisting" to "wasting"
19.5k gal, 16x32 vinyl liner, sand filter, 1hp single speed pump, K-2006 test kit. PF=6
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