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Thread: Freezing Question

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    Freezing Question

    My pool is completed and filled as of last week. Our forecast for the next two days calls for night temps down to 29. What do I need to do? Daytime temps will be 50's. I have heard I can just run the pump but that won't work for my deck jets or I could have some really cool ice sculpture the next morning. Could I just tent the entire equipment pad and cover the deck jets with blankets? Is a few degrees below freezing something to freak out about because after spending months on the biggest DIY project I have ever done I AM FREAKED out.
    Under construction DIY 20x40 vinyl liner steel wall pool, Pentair 2hp wisperflo, Pentair tr100 sand filter, Pentair Minimax 400k heater, diving board, 8 foot sit n step, xtream waterslide, 1700 concrete deck, one amazing wife, 4 children and two German shepherds.

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    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: Freezing Question

    Can you not run the pool without the deck jets on? That is what I would suggest and just put some blankets over the desk jet nozzles.

    But, putting a tent over the whole pad (maybe adding a light under it) would certainly not hurt ... although I am not sure the brief time it will be below 32 is even enough to worry about so hopefully someone else will chime in.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
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    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Freezing Question

    What do I need to do?
    Nothing. That's not cold enough long enough. Running the pump all night will probably make you feel more secure for a couple of bucks.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Freezing Question

    Ditto to Dave,

    We regularly get down to 25 F in the winter here but never more than about 6-8 hours and I never use freeze protection nor run the pump at night. Knowing a little about the physics of freezing and add to that a few experiments and it takes over 12 hours for a 2" PVC pipe to freeze solid and that is at 0 F. At 29F it would take well over a day or two. Heater pipes might freeze a little faster but they are deep within the housing of the heater which helps with radiative losses. BTW, I have a heater too.
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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