Which test to trust on CYA
I tool a sample to Leslie's and they said my CYA was 70. I did the test at home using Ben's kit and saw closer to 30. Why such a large variance?
I plan to take a sample to another pool store soon to see what they come up with.
My SWG instruction says to hold CYA at 60-80 so depending on who is right, I either need to add some or am right on target. I added 2 lbs about 2 weeks ago since this is a new fill .
Any reason I should be gettng such a variance?
Last edited by Phillbo; 07-24-2006 at 11:10 AM.
14'x31' kidney 21K gal IG plaster pool; SWCG (Saline Generating System's SGS Breeze); Pentair FNS Plus 48 DE DE filter; Whisperflow 1 HP pump; 8 hours hrs; kit purchased from Ben; utility water; summer: none; winter: none; PF:5.7
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