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Hello, I recently updated the firmware in my ScreenLogic2 protocol adapter. I was able to verify the PA is on my network, and when I start up Win 7 -based ScreenLogic Connect (5.2 Build 713.0 Rel), it shows an entry under "Local Systems" as follows: UNNAMED PoolBrick (192.168.15:80). When I...

Can you please point me to a good CYA/FC relationship explanation? Thank you! Sent from my iPad using Tapatalk HD

Will it be a problem to shock because I would have to get the FC level really high to do the job, and thus wait a long time for it to get back to safe levels? Sent from my iPad using Tapatalk HD

The result with diluted water was 45-50 and thus confirmed the prior reading of 100. So the goal is 80 CYA? I understand why replacing 20% of my water should take the 100 reading down to 80. Thanks, Mark Sent from my iPad using Tapatalk HD

The diluted CYO test calculates the CYA level between 90 and 100. Does this confirmation trigger any ideas? I am already lowering my PH to 7.0-7.2 and aerating when PH gets above 7.5. Thank you, Mark Sent from my iPad using Tapatalk HD

Thank you for the replies. I read somewhere that one needs to subtract out the buffering effect of high CYA levels when considering whether the measured TA is too high. Factoring that in puts the calculated TA not due to the CYA in the 80 range. I also noted some disagreement on this topic in my...

Thank you for the responses. Some more information: 1) I have 2 different CYA test kits (one sold by Pentair, the other is part if my Taylor k-2006C) that both use the disappearing black dot method. Both read 100. I used chlorine tablets before replacing my 5-yr-old SWG. Maybe for 3-4 months...

I am pretty new at managing my pool, and have a couple symptoms I would like help with. Pebbletec floor SWG 15,000 gallons TA 120 Temp 86-90 PH 7.6-7.8 CYA 100 (even though I drained the pool 3 months ago) FC 7.2 (I am keeping this high because of high CYA level) CC 0 Taylor K-2006C test kit CH...