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Thread: New SWG installed - first test results

  1. Back To Top    #1

    Join Date
    May 2010
    Fairfax Station, VA

    New SWG installed - first test results

    I just installed a Circupool RJ45 last week. I am running it at 70% about 10 hrs/day. These are my first water test results.

    FC 4
    CC 0
    pH 7.6
    TA 100
    Ch 260
    CYA 75
    Salt 3000.

    The CYA was originally around 20 a few weeks ago. I calculated how much to raise to 50 and added about 1/2 before testing today. Don't know how it got to 75. I don't have a CYA test kit and had it tested at the pool store (Leslie's). Circupool recommends 30-60, water balance recommendation here at Pool School is 70-80 which is then perfect.

    I am at the minimum level for the salt. The pool store used a digital meter. Is that accurate? I will probably add a couple of bags (80#) of salt.

    Any other recommendations?
    35K gallon plaster IGP, free form, spa with spill-over; Sta-Rite 2HP pump; KDI American 48sq.ft., 144GPM DE filter; Pentair MiniMax heater; pressure side The PoolCleaner; Circupool RJ45

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: New SWG installed - first test results

    Your numbers look fairly good. If you are lucky they are correct. The best thing you could possibly do is get your own top quality test kit. Given your explanation, one of those CYA results has to be wrong, but is it the original 20 or the current 75? There is no way to know.

    We recommend CYA be between 70 and 80 for use with a SWG. Your SWG will last quite a bit longer if you follow our guidelines.

    Your TA is a little high for use with a SWG. This is not a big deal. Just lower PH to 7.2 any tome it gets up to 7.8 until TA is down to something more like 60 or 70.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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