Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 9 of 9

Thread: Freeze threat day by day.

  1. Back To Top    #1

    Join Date
    Mar 2015
    Location
    Bossier City, LA
    Posts
    13

    Freeze threat day by day.

    So, those living in the South can relate and maybe help me here. In NW Louisiana the weather is all over the place. It can be 70 on day and 20 the next, then back to 70. I'm concerned that about the equipment freezing and cracking.
    The panel has a temperature knob set at 38 degrees and that sounds reasonable, but what am I supposed to do to prevent a burst pipe otherwise. The main valve has an "open" setting, sand filter has a drain, and pump has a drain plug. I'm not supposed to do a full freeze protection drain play every time it's going to freeze am I?
    16,000 gallons. Gunite/Plaster. BBBM method. Sand filter. Polaris "Sputnik" cleaner tank.

  2. Back To Top    #2
    Mod Squad JVTrain's Avatar
    Join Date
    Feb 2014
    Location
    Central Minnesota
    Posts
    5,079

    Re: Freeze threat day by day.

    When you know it's going to be below freezing, simply run the pump to circulate water. The only risk of freezing you have is narrow areas of your above ground plumbing if water is stagnant for a long time. Running the pump for about 20-30% of the time when it's below freezing (20+ degrees) is likely enough to prevent any problems. Obviously if it's colder (like below 0 degrees here today!) it takes less time for freezing to occur, but that's not likely in your location. If you're worried, you can simply run the pump all the time any time it's below freezing. Preferably on low speed if you have a 2-speed or VS pump.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

  3. Back To Top    #3
    Mod Squad YippeeSkippy's Avatar
    Join Date
    Jan 2012
    Location
    'burbs of Augusta, Georgia
    Posts
    6,491

    Re: Freeze threat day by day.

    I'm here in Georgia and we have the same dilemma as the OP. One day warm, the next cold as the dickens! We run the pump at night on those bitter cold days (anything in the 40s is bitter cold to us! lol).

    Skippy always puts a tarp over the pool equipment come winter, and with an hanging auto light on during freezes and the pump running overnight, we've never had a problem.
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Our pool build--> Our Pool Solved Our Sloping Yard Skippy's Cheap Pool Cooler -->Skippy's New Fountain

  4. Back To Top    #4

    Join Date
    Aug 2014
    Location
    Shallotte, NC
    Posts
    693

    Re: Freeze threat day by day.

    Yep, predicted low of 20F tonight and then 22F, tomorrow.... then back to 60F during the day and above freezing temperatures for the next 10 days or so..... I don't worry, much, until the temperature gets down low and stays there for some time. Nightly lows, with decent daily highs are not usually a problem. Last winter we had a few dips down to 15F and the palm trees and other tropicals were NOT happy, but the pool emerged unscathed. Keep the pump running and let the outside, unprotected spigots drip. Use heat tape and/or an incandescent bulb for heat.

  5. Back To Top    #5
    Isaac-1's Avatar
    Join Date
    May 2010
    Location
    SW Louisiana
    Posts
    6,711

    Re: Freeze threat day by day.

    Here in Louisiana the only time you really have to worry are those very rare freak occurrences where the temperature gets down into the teens and stays below freezing for over 48 hours. Otherwise running the pump at night is usually enough, if you have a multi speed pump just run it on low. Putting a tarp over the pump and filter with an incandescent light bulb in a work light fixture will also work, but I would worry about the bulb burning out. If by chance you have an ice storm and a power outage, the best you can do without a generator is to drain the filter and pump basket and hope for the best. Again just covering helps some as the ground rarely freezes here and will often radiate enough heat to keep things from freezing.
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
    ~Remember TFP counts on your donations to keep this site ad free~

  6. Back To Top    #6

    Join Date
    Mar 2015
    Location
    Bossier City, LA
    Posts
    13

    Re: Freeze threat day by day.

    any worries about the sand filter or should I put that to open when it gets down and stays cold for days?
    16,000 gallons. Gunite/Plaster. BBBM method. Sand filter. Polaris "Sputnik" cleaner tank.

  7. Back To Top    #7
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    Location
    East Texas
    Posts
    9,004

    Re: Freeze threat day by day.

    Gonna be an epic event around us if a "hard" freeze last for days. Only happened once in the 30 years or so I've been here (close to you).
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

  8. Back To Top    #8
    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Location
    Houston, Texas
    Posts
    9,201

    Re: Freeze threat day by day.

    Keep in mind your pool water is probably in the 50s or 60s, the frost line is very shallow, and only a small area of pipe is exposed above ground. If it looks like you will get an extended freeze (below freezing for 12 hours or more) you may want to take more strenuous precautions. If it is only going to be just below freezing for a couple of hours and the pump is running everything should be fine.

    Think about how long it takes a tray of ice cubes to freeze. On average that's about 3 hours for maybe 1"x2" cubes sitting still in your freezer. Your pipes are at least 1 1/2" diameter, and warm (50-60 degree) water is rushing through the pipe. If you took a temperature reading on the pipe at that time it will probably be well above freezing. If you have extensive plumbing runs just hanging in open air for yards rather than inches you might want to wrap those pipes, but that is usually not the case with an inground pool.

    If you have a solar blanket that will also help retain some heat in your pool.
    TFP Moderator
    Helpful links: TF Test Kits,TFP Pool School, PoolMath
    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
    Love TFP? Become a
    TFP Supporter!

  9. Back To Top    #9
    Isaac-1's Avatar
    Join Date
    May 2010
    Location
    SW Louisiana
    Posts
    6,711

    Re: Freeze threat day by day.

    As Zea said, keep in mind this advice is for a typical inground pool in our region, there are exceptions, for example when we had that brutally cold winter a couple of years ago we had members in the Dallas TX area where their pools froze over and one that had freeze damage in the conduit feeding his pool light. However that was an exceptionally cold (once in 30-50 year) event, and the pool in question was built with a large stone retaining wall at the deep end so was not a typical in ground pool. On top of all that the DFW area is typically a few degrees colder than the Shreveport area. So if we have an extended freeze and you have any extended above ground plumbing runs where water may not normally flow (light niche conduits, water falls, etc.) you may need some extra measures, but most years simply running your pool pump at night is more than enough, and you would likely be ok without even doing that, but why chance it you never know when the low is going to be 5-10 degrees lower than forecast, or when the power may go out in the middle of the night.

    Ike
    Indoor 20x40 35,000 gallon vinyl pool with 1.5 HP 2 speed Jandy FloPro pump, Hayward EC75 Perflex DE filter, 11 4x12 Techno-Solis solar panels w/ Aquasolar controller, Aquabot Turbo T Robot Cleaner. Also LMI metering chlorine dispenser pump and HotSpring Jetsetter
    I use and endorse TFtestKits TF-100 from http://tftestkits.net
    ~Remember TFP counts on your donations to keep this site ad free~

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •