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  1. JohnA902

    Accounting for CYA / ratio

    Thanks everyone. Good replies. Lots of info. Sent from my iPhone using Tapatalk
  2. JohnA902

    Accounting for CYA / ratio

    For the poop idea, I guess I would just raise to shock level (which is like 16 or so), let it circulate and then let the other kids back in after 30 min. Anyway, I just wanted a plan in case this happened. Sent from my iPhone using Tapatalk
  3. JohnA902

    Accounting for CYA / ratio

    Hmmm. That's a tough graph to extrapolate from. I guess I still want to know how to use their "2ppm" in a real world example of having 50 ppm cya. The idea of "raising to 2ppm" is meaningless when I'm already at 5. Sent from my iPhone using Tapatalk
  4. JohnA902

    Accounting for CYA / ratio

    So I have been searching for topics on what to do if a kid poops in the pool. ( hypothetical, thank goodness this hasn't happened). I found a bunch of good stuff, one link led me to the CDCs site which suggests "raising free chlorine to 2ppm for 30 min" That is confusing. Clearly they aren't...