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Thread: Average Cya additions

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    Join Date
    Dec 2015
    Newington, Connecticut

    Average Cya additions

    Since the start of the season after today I've added 4lbs of granular stabilizer via the sock method to maintain 30 to 50 ppm. Just wondering from the seasoned pool owners if this sounds pretty average usage?
    16'x34' Kidney 17000 Gallon IG Vinyl liner. Pentair IntelliXF vs pump, Sta-Rite System 3 DE filter. Liquidator, TF-100 Test kit w/ speed stir. Aqua Comfort heat pump, Dolphin Apollo robot, clear solar cover, stamped concrete deck.

  2. Back To Top    #2
    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
    DFW, TX

    Re: Average Cya additions

    CYA normally decays at a rate of 2-3 ppm per month, sometimes up to 5 ppm with high FC or high temps. If FC drops below minimum for your CYA, FC/CYA Chart, sometimes bacteria can consume it. Of course, rain, splash out or overflow will lower your cya. I had to add some CYA in the spring and again a week or so ago.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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