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Thread: Green Pool (Was black at first)

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  1. #1
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    Default Re: Green Pool (Was black at first)

    Update, water seems to be a lighter green, brushing seems to produce smaller clouds of brown than before.

    Numbers of 6/3 Just before adding 10 Gallons of Liquid Chlorine and brushing. Use slide and have returns pointed to surface to aerate. Also filtering again.

    FC 3
    PH 7.4
    TA 177
    CH 176
    CYA 14

    =====================

    Numbers of today, just before another 10 Gallon liquid chlorine dump. Filter seems to be a lot cleaner. Still use slide and returns to aerate. The returns make the water ripple (no bubbles)

    6/4

    FC 1.33
    PH 7.10
    TA 188
    CH 163
    CYA 83

    Don't have the K2006 kit yet. CYA number seems strange compared to previous measurements.

    It's good that Fleet Farm has the chlorine on sale,

    Thanks in advance for any advice/comments etc.

  2. #2
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    Default Re: Green Pool (Was black at first)

    One of the observations I saw about the ColorQ was that the CYA measurements could be erratic.

    You need to do another 30 ppm dose (10 gallons of bleach) added in the EVENING, and then do a chlorine test in the AM (before 9 am).

    What COLOR is your water?

  3. #3
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    Default Re: Green Pool (Was black at first)

    My CYA reading of the other day might have been a user error (you can put in the tube two ways and the wrong way is blocking the colorimeter "view")

    Anyways. Pool water is a teal green. Only able to see the bottom at the shallow end.

    My 6/5 8:30am numbers:

    FC 1.33
    PH 7.0
    ALY 184
    CH 172
    CYA 8

    I am sure that I am bleaching out. I tried the over 10PPM FC procedure but those numbers where very strange and I had lack of time for a redo. Have to make money to buy more Pool chemicals

    K2006 kit should arrive tomorrow.

    One observation my robotic pool cleaner is floating on the surface and doesn't want to "sink" to the bottom of the pool. The clean out of the cleaner showed some regular "waste and some worms" it wasn't clogged anymore with dead algae.
    30k gal IG vinyl pool, Hayward S200 filter, Pentair 2HP SuperFlo, 24hr ops. PF=4

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    Default

    I've got something, created partly with you in mind:
    http://pool9.net/pf-hist-form
    with results here:
    http://pool9.net/pf-hist-chart
    + Get a cheap OTO / phenol red kit. It won't bleach out, at any chlorine level, and will be useful even after you have the K2006 for quick checks.

    + Tell me what % bleach you are using.

  5. #5
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    Default Re: Green Pool (Was black at first)

    Hi Doc,

    Thanks again.

    This AM when I posted my Color Q FC numbers I did do a FC measurement with my OTO kit and that one also looked like it was bleached out too (hardly any yellow). Now you state in your post that it should not bleach out.

    Makes me wonder that my FC Color Q measurement might be accurate after all (or am I confused). Pool does have a Chlorine odor.

    I am using the 12.5% bleach.
    30k gal IG vinyl pool, Hayward S200 filter, Pentair 2HP SuperFlo, 24hr ops. PF=4

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    Default Re: Green Pool (Was black at first)

    OTO is not super accurate, but it is super reliable. If it shows no chlorine, there's no chlorine.

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    Default Re: Green Pool (Was black at first)

    Submitted my 6/6 numbers in the online spreadsheet. Still doing the evening 10 gallons of Chlorine and brush job. I am currently not filtering (only using vacuum robot) as I think the aerating will help at this moment. When brushing I have no more heavy clouds of dead algae.
    It seems water color seems slightly better but still a teal green and bottom only visible on shallow end.
    30k gal IG vinyl pool, Hayward S200 filter, Pentair 2HP SuperFlo, 24hr ops. PF=4

  8. #8
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    Default Re: Green Pool (Was black at first)

    Posted my numbers for today. Did a FC measurement this am and a complete one this pm. Still a light green color. Started to filter around noon.

    Just Added 72oz of Dichlor. Hopefully another session will give me an ALY I can actually measure. My best guess is that I should be around 25 right now.
    30k gal IG vinyl pool, Hayward S200 filter, Pentair 2HP SuperFlo, 24hr ops. PF=4

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  10. #10
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    Default Re: Green Pool (Was black at first)

    Hi Doc,

    I meant to write CYA not sure how I came up with the ALY (Probably the Chlorine affecting my brain).

    I am in your pool chart list as like2ct.

    Pool is starting to clear up still a little bit of green at the deep end.
    30k gal IG vinyl pool, Hayward S200 filter, Pentair 2HP SuperFlo, 24hr ops. PF=4

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