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Thread: Clear, but no chlorine???

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  1. #1
    mary jo is offline Subscriber Thread Analyst mary jo 0
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    Default Re: Clear, but no chlorine???

    OK- I just tested this morning @ 6:30am FC=26 CC=1
    Lost 1 ppm FC overnight (27 to 26)

    So if my CYA is 150 then I should let the FC lower to the 15-22 range and keep it there, and not worry about the CC? What if the CC level goes up?
    15K gal, 15x30 rectangular, in-ground, vinyl liner, Pentair ¾ HP Whisperflo on 24/7, Pentair Cartridge Filter(CCP240), Heater (gas), Automatic Pool Cover

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    Default Re: Clear, but no chlorine???

    Sounds right.
    If CC goes to 1.5, wait for it to come back down. If it continues climbing - it may take additional action. Let the pool get all the sun it can.

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    mary jo is offline Subscriber Thread Analyst mary jo 0
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    Default Re: Clear, but no chlorine???

    Ok- so by wait you mean do not add any bleach, just keep testing and see if CC goes down ( or stays at 1) at lower FC level, yes?
    15K gal, 15x30 rectangular, in-ground, vinyl liner, Pentair ¾ HP Whisperflo on 24/7, Pentair Cartridge Filter(CCP240), Heater (gas), Automatic Pool Cover

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    Default Re: Clear, but no chlorine???

    Yes. That's what everyone here has been telling you. Please re-read Ben's last post, above. He's said clearly that you need to let FC drop to 10%-15% of CYA and leave it there.
    So if CYA is 60, FC should be between 6-9ppm. If CYA is 90, FC should be between 9 and 13.5ppm. Etc.

    THEN see what happens to CC.
    Carl

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    mary jo is offline Subscriber Thread Analyst mary jo 0
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    Default Re: Clear, but no chlorine???

    got it.
    15K gal, 15x30 rectangular, in-ground, vinyl liner, Pentair ¾ HP Whisperflo on 24/7, Pentair Cartridge Filter(CCP240), Heater (gas), Automatic Pool Cover

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    Default Re: Clear, but no chlorine???

    Quote Originally Posted by mary jo View Post
    What if the CC level goes up?
    Also, you'll need to avoid focusing on problems you do NOT yet have. Just do the basics, and worry about the other stuff WHEN it becomes a problem; not before.

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    Default Re: Clear, but no chlorine???

    If you had the same storm we did, I hope you had your auto-cover closed! Debris is everywhere. Even my outdoor, heavy furniture was overturned. Large slate slabs on my table were lifted and askew. Wow. How is the pool doing since lowering FC?
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

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    mary jo is offline Subscriber Thread Analyst mary jo 0
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    Default Re: Clear, but no chlorine???

    Wow indeed- I heard 70 mph winds in the area. Incredibly, we only got a bit of rain, but closed the cover to be on the safe side.

    The FC has been dropping approx. 2 points during the day and 0-1 overnight. The CC has also been dropping!
    Yesterday morning FC=22 CC=0.5.
    Yesterday early evening (5:45pm due to rain) FC=20 CC=0. I double checked using a 25ml water sample to be sure and the FC=20.2 CC=0

    This morning tested @ 8:30 FC=19 CC=0.
    15K gal, 15x30 rectangular, in-ground, vinyl liner, Pentair ¾ HP Whisperflo on 24/7, Pentair Cartridge Filter(CCP240), Heater (gas), Automatic Pool Cover

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    Default Re: Clear, but no chlorine???

    Sounds like you are done. To be safe, maybe one more day and then let chlorine drift down. Then you should be good to go and we can wrap up this incredibly long thread! Good luck!

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    mary jo is offline Subscriber Thread Analyst mary jo 0
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    Default Re: Clear, but no chlorine???

    Thanks again. It's been a long 3 weeks and I appreciate all the help.
    Last edited by mary jo; 09-06-2014 at 01:10 PM.
    15K gal, 15x30 rectangular, in-ground, vinyl liner, Pentair ¾ HP Whisperflo on 24/7, Pentair Cartridge Filter(CCP240), Heater (gas), Automatic Pool Cover

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