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Thread: Adding and removing water at same time?

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    Join Date
    Jun 2016
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    Buffalo, NY
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    Adding and removing water at same time?

    CYA is up to 120, so I'm going to empty some of the water from my pool.

    I was thinking of pumping water out at the same time i'm filling it.

    Thoughts?
    12,000 gallon AG pool | Hayward 1HP pump | Hayward Perflex DE filter (I hate DE) | Taylor K-2006 Test Kit

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    triptyx's Avatar
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    Re: Adding and removing water at same time?

    Unless you segregate the water with a tarp or some other method to avoid it mixing together, you'll be pumping out new water with the old and will not have as much effect on the CYA PPM.
    8,500gal plaster in-ground with attached spa, two floor drains, one skimmer. Chlorine, City Water.
    Pentair WhisperFlo 1hp Pump, MagnaTek Midcentury EPlus motor, Pentair CleanNClear 200SF Cartridge filter, Purex Triton MiniMax 250 Gas Heater, Pentair SunLite, AutoFill.
    Kreepy Krauly Cruiser, TF-100 with SpeedStir. :D

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    Re: Adding and removing water at same time?

    Quote Originally Posted by triptyx View Post
    Unless you segregate the water with a tarp or some other method to avoid it mixing together, you'll be pumping out new water with the old and will not have as much effect on the CYA PPM.
    Thats what I figured.

    I was hoping I was wrong.
    12,000 gallon AG pool | Hayward 1HP pump | Hayward Perflex DE filter (I hate DE) | Taylor K-2006 Test Kit

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    Re: Adding and removing water at same time?

    Effectively, you can certainly do it, it's just going to require more water than if you did a drain and then a fill separately.
    8,500gal plaster in-ground with attached spa, two floor drains, one skimmer. Chlorine, City Water.
    Pentair WhisperFlo 1hp Pump, MagnaTek Midcentury EPlus motor, Pentair CleanNClear 200SF Cartridge filter, Purex Triton MiniMax 250 Gas Heater, Pentair SunLite, AutoFill.
    Kreepy Krauly Cruiser, TF-100 with SpeedStir. :D

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