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Thread: Question about aeration and PH

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    Question about aeration and PH

    Ok so I have been able to successfully lower my ALK/PH with acid and bring the PH back up with aeration ( mainly running the built in spa jets in the pool). My question is will running the spa continue to raise the PH? Basically what I mean once I get the ALK in the proper range will I risk going to high on the PH by using the spa frequently?

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    Butterfly's Avatar
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    Re: Question about aeration and PH

    Any aeration from any source will contribute to increasing pH.

    You will still have to monitor pH often, preferable daily.
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    Richard320's Avatar
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    Re: Question about aeration and PH

    Quote Originally Posted by Tuffy View Post
    Ok so I have been able to successfully lower my ALK/PH with acid and bring the PH back up with aeration ( mainly running the built in spa jets in the pool). My question is will running the spa continue to raise the PH? Basically what I mean once I get the ALK in the proper range will I risk going to high on the PH by using the spa frequently?
    Yes. However, the pH rise slows down as pH gets higher and TA gets lower. You've probably noticed that during your treatment. So if you find yourself constantly adding acid to lower pH, and the TA gets real low as a result, try letting pH hover at the upper end of safe.
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    Re: Question about aeration and PH

    You will never risk the pH going too high with regular testing, and proper maintenance of it. The pH will never come to a point of "set and forget". It always has to be maintained over time.

    Yes, it will likely tend to rise in your situation, so just be diligent, keep an eye on it, and adjust it as needed.
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    Re: Question about aeration and PH

    My biggest worry is I am gone sometimes for 3 weeks at a time and the wife is left minding the pool. She isn't comfortable adding acid so I am worried the PH will get to high while I am gone. I was actually thinking about adding the"PH" system to my zodiac tri but have heard that it isn't reliable.....any thoughts?
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    bobodaclown's Avatar
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    Re: Question about aeration and PH

    Lower it before you go away, knock it down when you get back. Adjust your CH so that the CSI doesn't go too positive when the PH gets too high. Work with the pool.
    You can play with pool math to change some figures around. The other thing to look at is this link:
    http://www.troublefreepool.com/threa...jection+System

    Just like chlorine usage your pool has a daily acid usage.
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    Re: Question about aeration and PH

    Thanks bobodaclown iThat is a sound plan I'll give it a try next time and see how it goes
    60000 L /15000gal L shaped infinity pool IG cement pool with 4" tile and grout
    28" sand filter / 1.5 hp hayward super pump 80 gpm
    Zodiac large size SWG, Taylor K-2006 test kit, 2 wheel suction side the pool cleaner

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