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Thread: day 10 from opening pool and still cloudy

  1. Back To Top    #1

    Join Date
    May 2015

    day 10 from opening pool and still cloudy

    TA =170
    PH= 7.8
    CYA =90
    FC = 25.5
    CC = 27
    I have 19237 gal pool. 459 sq ft. gunite in-ground plaster
    Using bleach
    filter gets clogged with first hour running psi is 30
    Use DE and been flushing filter 2x per day. Haywood DE 3620 filter
    water is very cloudy can only see down 1 foot
    This is day 10
    All suggestions welcome
    Thank you
    459 sq ft. gunite inground plaster
    30' x 19.6' 3 to 6 deep, Haywood DE 3620 filter
    Haywood chlorinater holds 20 3" round tablets
    19237 gal. kidney shape, skimmer & main drains,

  2. Back To Top    #2

    Join Date
    Sep 2009
    Frederick County, MD

    Re: day 10 from opening pool and still cloudy


    With CC of 27 (Assuming that is correct) you have a ton of algae in the pool. This is most likely why the filter is clogging so quickly and the pool is so cloudy. Seems like it is SLAM time but lets let other folks weigh in as well.

    Southern Frederick County, MD - Leisure Moroccan 38 Fiberglass Pool - 19,800 gallons
    Pentair 1.5 hp 2 speed pump - Cartridge filter - Dolphin robot - TF-100 Test Kit - SWCG

  3. Back To Top    #3

    Join Date
    Jun 2015
    East Hampton CT

    Re: day 10 from opening pool and still cloudy

    I'm having a hard time with your FC and CC numbers. Is the CC number supposed to be TC (Total Chlorine)? If so, it is a sign that you still have organics in the water. How are you testing it? You need to have a good DIY kit (See my signature below).

    Also, if your CYA level is to be believed, it is too high for a non-SWG system (high even for a SWG). If your FC level is accurate, it is also too low for an effective SLAM at CYA=90. Consider doing a partial drain/refill to lower your CYA. Then SLAM the water. But as I mentioned above, you need a recommended test kit.
    17' x 35' outdoor in-ground Grecian shaped w/ vinyl liner. ≈ 21,000 gallons. Hayward S-200 Sand Filter and 1 HP Hayward Super-pump. Other Accessories: slide, light, ladder, fiberglass stairs, TF-100. Baquacil Conversion - June 2015, SLAM How-to, Chlorine/CYA Chart

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