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Thread: Chlorine level is low

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  1. #1
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    Default Re: Chlorine level is low

    Thanks JuJu. I thought I must have been doing it right but I wanted to be sure before I follow the recommendations on the pool calculator.
    18' round 7.7K gal AG vinyl pool; Bleach; Hayward S144T sand filter; Hayward 1HP pump; hrs; Taylor K-2006; City; summer: ; winter: ; ; PF:16

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    Default Re: Chlorine level is low

    Now my readings look good to me but my water is still a little cloudy. I'm not sure if I should be keeping numbers within normal ranges or if I'm still supposed to be keeping FC at 10. Yesterday evening readings: FC 3 CC .5 pH 7.2 so I added 6 cups of bleach to get it to 6 FC and added 4 lbs. baking soda to increase TA to 80. This evening readings: pH 7.4 FC 3.5 CC 0 TA 80. My water is still not crystal clear. My CYA was 35 on Wednesday so I havent checked it again since I havent done anything to change that.How can I get my water to sparkle now?
    18' round 7.7K gal AG vinyl pool; Bleach; Hayward S144T sand filter; Hayward 1HP pump; hrs; Taylor K-2006; City; summer: ; winter: ; ; PF:16

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    Default Re: Chlorine level is low

    I think I'd keep the chlorine high for another day since you did have a CC reading of 0.5 yesterday. With a CYA of 35, that would be a chlorine level of 12-15. Also, are you running your pump 24/7 right now? You have a big pump for your size of pool. We see that a lot -- oversized pumps with undersized filters -- especially on AG pools. That can make it take longer to clear up a pool. (We may have made that comment before, but I didn't want to take the time to re-read a 27 post count thread to see!)

    If, after a couple more days of good readings and your water still not totally clear (and running the pump 24/7), maybe try the DE in the sand filter trick. Adding DE to a Sand Filter

  4. #4
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    Default Re: Chlorine level is low

    Thank you for responding.. I added 1 gallon of 6% bleach last night and just tested everything again. pH 8.0- FC 11- CC .5- TA 90- CYA 30- CH 170 so I think I will add enough bleach to get FC to 15. Note that my pH and TA went up and CYA went down. I dont know why.It did rain yesterday and enough to overflow and its still cloudy and supposed to rain today.
    18' round 7.7K gal AG vinyl pool; Bleach; Hayward S144T sand filter; Hayward 1HP pump; hrs; Taylor K-2006; City; summer: ; winter: ; ; PF:16

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    Default Re: Chlorine level is low

    Don't waste your test reagents re-testing CYA unless you have added some. Also, a test result of 30 and one of 35 is basically the same. That test is not too precise so it is not uncommon to get a varied range of results. Did you test your pH when the chlorine was high? If so, you can get falsely high pH readings. Do you have a Taylor K-2006? (Again, I don't want to take the time to re-read this thread.) If you do, please put that in your signature below. It helps us to help people when we know what kind of kit they are using.

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    Default Re: Chlorine level is low

    Yes I am using k2006 and I added it to my signature. FC was 11 and CC was .5

    Also so my pump has been running 24/7.
    18' round 7.7K gal AG vinyl pool; Bleach; Hayward S144T sand filter; Hayward 1HP pump; hrs; Taylor K-2006; City; summer: ; winter: ; ; PF:16

  7. #7
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    Default Re: Chlorine level is low

    I just added 1/2 gallon of bleach to bring FC up to 15. I will check it again tonight when I get home from work to make sure its still 12-15 FC and if its not I'll add more bleach and test again in the AM.
    18' round 7.7K gal AG vinyl pool; Bleach; Hayward S144T sand filter; Hayward 1HP pump; hrs; Taylor K-2006; City; summer: ; winter: ; ; PF:16

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