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Thread: Can you use the tfpc method on indoor pools?

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    Join Date
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    Can you use the tfpc method on indoor pools?

    I was reading that indoor pools use less chlorine and also that they have different needs because they don't get direct sunlight. I am wondering if you can still use the tfpc method.
    13 x 24' x52" ultra frame pool (still in the box)
    Going to be set in 2.5' hole with deck at rail height sourounding entirely
    Cartridge filter ( we will see how that goes for one season)
    Natural gas heater and solar cover
    Plan to use bbb method! Yay!!

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    Butterfly's Avatar
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    Re: Can you use the tfpc method on indoor pools?

    Quote Originally Posted by kshuf View Post
    I was reading that indoor pools use less chlorine and also that they have different needs because they don't get direct sunlight. I am wondering if you can still use the tfpc method.
    Yes, you sure can. One big change is the CYA recommendation is about 20.

    You can find more info on indoor pools in Chem 201
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    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

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    Re: Can you use the tfpc method on indoor pools?

    Thank you


    13 x 24' x52" ultra frame pool (still in the box)
    Going to be set in 2.5' hole with deck at rail height sourounding entirely
    Cartridge filter ( we will see how that goes for one season)
    Natural gas heater and solar cover
    Plan to use bbb method! Yay!!

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    JasonLion's Avatar
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    Silver Spring, MD
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    37,879

    Re: Can you use the tfpc method on indoor pools?

    In addition to the CYA target being 20, the other big difference is that you are far more likely to have issues with CC. Depending on your bather load, in an indoor pool you may well want to use MPS regularly or add a UV system or an ozone system to keep CC under control. Just about everything else is the same.
    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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