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Thread: Best location for bleach or MA injection

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    Join Date
    Sep 2011
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    Omaha, NE
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    95

    Best location for bleach or MA injection

    I am going to be installing a pump for bleach injection and possibly a 2nd pump for MA injection. They would not be injecting at the same time, the MA only when needed. Where would be the best place for injection be? at the pump drain or in the pool return line? I just want to make sure the either the bleach or the MA will not damage any parts if installed at the pump valve (ie pump basket, filter gaskets, etc...) or will it be diluted enough to not have to worry about it??? I am going to install a "T" for the 2 separate injection valves.
    16X24 Oval Doughboy
    10,000 Gallons~
    Pentair Dynamo .75/1.0 HP pump
    16" Pooline D-400 Sand Filter w/ 6-way valve

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    Mod Squad Bama Rambler's Avatar
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    Jun 2009
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    SouthWest Alabama
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    22,347

    Re: Best location for bleach or MA injection

    The best place is in the return after all other equipment. However, you can place the bleach injection point about anywhere and it'll be fine. I wouldn't inject acid before the equipment. It may be fine but why take the chance?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

  3. Back To Top    #3

    Join Date
    Sep 2011
    Location
    Omaha, NE
    Posts
    95

    Re: Best location for bleach or MA injection

    That's kinda what I was thinking, just wanted a little confirmation.
    16X24 Oval Doughboy
    10,000 Gallons~
    Pentair Dynamo .75/1.0 HP pump
    16" Pooline D-400 Sand Filter w/ 6-way valve

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