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Thread: draing pool

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    Join Date
    Oct 2015
    Location
    Orinda, California
    Posts
    56

    draing pool

    Measured my CYA and others, except free chlorine. r-0870 spilled during shipment Cya was actually the same from the pool store, 125. Draining and replacing 1/3rd at a time. Now, January, and March. Hope will reach good level after 3rd round. TJ
    28,000 gallon IG pool, plaster, built approx. 1970.
    1 1/2 " plumbing. Pentair, Intelliflo 3 hp variable speed.
    Crystal Water cartridge filter system, model #425
    Dolphin Deluxe 4,

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    pabeader's Avatar
    Join Date
    May 2015
    Location
    Dallas Ga
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    4,064

    Re: draing pool

    How did you come by the 125 number? The test is really only good to 100. So to measure beyond that you need to dilute the pool water 50% with tap water first.
    Bob - Palm Beach by San Juan Pools. approx 5000 gals., Pentair 320 cartridge filter (all new guts installed by me), Goldline SWG, 'New to me' Kreepy Krauly Sand Shark, Intermec 104 Timer Test kit: TF-100 w/Speed Stir

  3. Back To Top    #3

    Join Date
    Oct 2015
    Location
    Orinda, California
    Posts
    56

    Re: draing pool

    Yes, I mixed sample where ~ less than 90 ppm first. Then I cut by half and add tap water, ~ doubled what was left after 50% cut. Did the black dot test and multiplied the reading by 2. black dot disappeared right below 60 reading. Performed test twice. Tomorrow I will test again after pump and filter have run during part of the night
    28,000 gallon IG pool, plaster, built approx. 1970.
    1 1/2 " plumbing. Pentair, Intelliflo 3 hp variable speed.
    Crystal Water cartridge filter system, model #425
    Dolphin Deluxe 4,

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