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Thread: chemical Testing with UV Ozone Generator

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    chemical Testing with UV Ozone Generator

    We have a gunite pool that's approx. 24K gallons. Does a Ozone generate change any pool chemistry as it relates specifically to chlorine?

    Chlorine - zero although have been adding 2-3 lbs per day. Never had an algae problem until this year and noticed I can't even keep low levels of chlorine for more than a 1/2 a day...
    PH 7.6
    CH 600
    CYA 100
    TA 100
    Phosphates 100

    Before we drain and refill to reduce the CH and CYA I'm trying to understand if the Generator has any affect on how I manage the chlorine or any other products that go into the pool prior to doing something wrong. Also, if we do drain the pool, does it need to be done slowly or can I rent a pump at 3300 gallons per hour to take out the recommended TFP 60% is suggesting in 5 hours or so before refilling? Located in Central TX, pool is inground in limestone.

    Thanks for your help an input.

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: chemical Testing with UV Ozone Generator

    Welcome to TFP!

    Ozone will tend to use up chlorine a little more quickly than the pool would without ozone, but otherwise nothing is really different.

    By the by, your CYA level is dangerously high, and CH is definitely on the high side (which requires care to make sure PH never goes up to high).
    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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    Join Date
    Feb 2012
    Cypress, TX

    Re: chemical Testing with UV Ozone Generator

    Just pretend the Ozone generator is not there, because that is about how much it affects your water. I was talked into buying one when we had our pool built last year just before I found this forum. Money that could have gone into something more useful like bleach.

    I imagine that you could drain your pool the 60% all at once but I'll defer to the experts on that one. What have you been using to chlorinate with?

    How did you test the water? Pool store? If so I would bet your CYA may be even higher than 100. It's a test that they don't seem to be too reliable with.
    23x40 freeform w/spa, 28,000 gal. PCC-2000 in-floor cleaning. Pebble Sheen w/flagstone coping. 14' weeping wall, (2) 18" sheer descents. Sta Rite- cart 400 sqft. filter, Intellipro VS pump, 1hp (cleaning)2hp (water feature)Max E Pro's. Easy Touch 8 function w/IPod. Rainbow chlorinator, Paramount Clear O3 (I know, I know), Max-E-Therm 400K heater.

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    Join Date
    Feb 2008
    Denton, TX

    Re: chemical Testing with UV Ozone Generator

    You can do the drain quickly or slowly. Either way will work as long as you change out some water.

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