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Thread: Acid Feeder Winterizing

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    RCDuck's Avatar
    Join Date
    Jun 2008

    Acid Feeder Winterizing

    Does anyone know what the freezing temp of Muriatic Acid is? Or, in my case the acid in my Acid Feeder tank is 1/2 Muriatic Acid (31.45%) and 1/2 Water. I plan on removing the system when we get deeper into Winter, but we typically don't get any really cold (relative, I know) temps here in the DFW area until after Christmas. For now I was hoping I could leave it on and running for a while, but we do get some barely freezing night time temps now. My pool pump does run anytime the air temp drops below 33 but the acid pump may/may not run depending on the acid demand, so I'm wondering if I need to worry about it freezing.
    26,000 IG Pool (Gunite w/Premix Marbeltite), Jandy Stealth 2 speed pump, Jandy CL460 Cartridge, Jandy SWG, Nature2 (Disabled), Ultrapure Ozone, Polaris Cleaner, Jandy PDA controller

  2. Back To Top    #2
    Mod Squad Bama Rambler's Avatar
    Join Date
    Jun 2009
    SouthWest Alabama

    Re: Acid Feeder Winterizing

    At about 15% concentration the freezing point will be about zero┬║F.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/╝hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
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