help adjusting
replaced my liner and filled with city water. having trouble getting the chlorine to hold. I have kept at shock for a couple of days but each morning there is no chlorine holding overnight and PH is high. i have 21,000 gallon inground, vinyl liner. water is clear
FC-0
CL-0
TA-130
PH-8
CYA=30
i do add bleach thru the skimmer.
please advise
Last edited by poolhelp101; 05-30-2013 at 10:56 AM.
Reason: additional info
18'x40' oval 21K gal IG vinyl pool; BBB Method; Hayward S-200 sand filter; Hayward 2hp; 8/10/2012hrs; taylor 2006; well; summer: none; winter: vinyl / water bags; ; PF:5.7
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