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Thread: might not be able to open pool - mosquito breeding ground!

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    might not be able to open pool - mosquito breeding ground!

    Last fall, we purchased a foreclosed home with an In-ground pool that was last winterized in 2013, we think.

    The pool cover has some tears and holes in it, and there is water deep enough in the pool that the cover is sagging into it, and there are several inches of water over the center of the pool. We may not be able to open the pool this year, do to the unknown expense of getting it back up and running. We can see some above ground plumbing that needs to be replaced due to broken parts. We do not know if any of the pumps or filters are operable.

    We're in chicagoland, and we already have mosquitoes invading our house in March. I'm thinking it might be the giant mosquitobreeder pool.

    I'm thinking of maybe throwing in some mosquito dunks, since we may not be trying to work on the pool until May or June. Question is - since the cover is damaged, and will not keep mosquitoes out - better to drain the pool a bit with an external pump, and throw some dunks under the cover, or let the water level be, and throw dunks on top of the cover?

    And also, if we have to keep adding new dunks - will they cause a problem with the pool, or humans swimming in it if/when we can get it operable?

    Thanks!
    27,000 gal. plaster IG with round spa built in 2007. TFT-100 test kit XL w/ Speedstir
    Jandy CL580 cartridge filter. Jandy 1.0 hp filter pump, 1.5 hp booster/spa? pump.
    Aqualink RS One Touch controls. Paramount PC2000 In-floor cleaning system (1.0 hp pump?). Jandy LX pool heater, apparently broken.
    Missing so much gear due to previous foreclosure, it's sad.

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    Texas Splash's Avatar
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    Re: might not be able to open pool - mosquito breeding ground!

    It sounds like you have quite a mess on your hands. But here's the issue ...... from your description, it sounds like your in-ground vinyl pool will need a new liner, not to mention plumbing repairs. Some things may be a DIY project, others ... hard to tell at this point. But we normally don't advise completely draining an in-ground pool because the ground and structure of that pool depend on each other for stability. If you drain completely, you run the risk of the pool frame or ground collapsing. You could lower the water to within a couple feet or so, or to the lowest step in your pool if you have steps, but don't go "bone-dry".

    As for pesticides, typically not a good idea, but if that liner gets replaced later this year or next, it won't matter anyways. That will all be gone. But if someone is able to salvage what you currently have, you don't want pesticides in the water. I suspect much will depend on your repair options (and available $$$) this year.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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    Mod Squad JVTrain's Avatar
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    Re: might not be able to open pool - mosquito breeding ground!

    I would lower the water level below the cover, if possible and keep dunks in the pool at all times until you plan on getting it operational. You don't want to have to drain the pool as that may cause the liner to shift or the walls to crack depending on your pool surface (vinyl, plaster) or your water table (hydrostatic pressure outside pool walls). If it's a vinyl lined pool, you should keep at least 6 inches, a foot is safer of water in the shallowest part of the pool.

    Dunks won't cause any problems once you get equipment operational and want to get the pool cleared up. They contain a larvacide that is harmless to humans, pets, birds, etc.

    Keeping mosquito breeding down and SAFETY is the most important thing. Since the cover is damaged, make sure the pool area is secure with locked gates and doors.

    I would attempt to address the pool as soon as you can or risk fines from your local authorities for a nuisance issue. If you need help identifying components or recommendations on plumbing, posting pictures (via a photo sharing site) would help.
    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

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    borjis's Avatar
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    Re: might not be able to open pool - mosquito breeding ground!

    I'd do what you can to get the cover working better until you clean the pool, the sooner the better on cleaning it though.
    16x32 IG Vinyl, 13,000 Gals. Hayward S-244T sand filter, SP2810X15 pump
    (1.5 HP motor) Raypak PR266AEN (266k btu) gas heater. TF-100 Test Kit.
    Dolphin E10 Cleaning Robot.

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    Re: might not be able to open pool - mosquito breeding ground!

    I was able to track down the installer, from county records - they tell me it's a concrete pool with plaster finish. 27,000 gallon.

    Yeah, the money part will be the big deal. I would expect that it will cost just to have someone make a visit to tell us what we need to do to get it up and running.

    - - - Updated - - -

    Thanks! We are in unincorporated county. County does require a pool fence which we do not have (yet) > I'm sure the previous owners got away with it simply because it's hidden from ready view, and again, unincorporated county. There is a fence around the entire property but that does not protect my kids and guests. Even if it's just a snow fence staked into the ground to keep out critters and kids I'll be doing that before the cover comes off. I have 3 kids under 10.
    27,000 gal. plaster IG with round spa built in 2007. TFT-100 test kit XL w/ Speedstir
    Jandy CL580 cartridge filter. Jandy 1.0 hp filter pump, 1.5 hp booster/spa? pump.
    Aqualink RS One Touch controls. Paramount PC2000 In-floor cleaning system (1.0 hp pump?). Jandy LX pool heater, apparently broken.
    Missing so much gear due to previous foreclosure, it's sad.

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    Mod Squad JVTrain's Avatar
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    Re: might not be able to open pool - mosquito breeding ground!

    Depending on the current condition of the plumbing and equipment, you could try to turn things on right now to see what works. Many things you can check yourself.

    Turn on electrical breakers that may be turned off and briefly turn on the pool pump to see if it turns on. Just don't run it for very long "dry."

    Open up the filter to see if it's in good condition.

    Repair/replace any PVC pipe or valves that are broken. Much of this can be done by a homeowner with just a little research and willingness to try it.

    If there are no major breaks in the PVC or equipment, put the filter on BYPASS and see if you have circulation.
    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

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    Re: might not be able to open pool - mosquito breeding ground!

    Thanks! We are in unincorporated county. County does require a pool fence which we do not have (yet) > I'm sure the previous owners got away with it simply because it's hidden from ready view, and again, unincorporated county. There is a fence around the entire property but that does not protect my kids and guests. Even if it's just a snow fence staked into the ground to keep out critters and kids I'll be doing that before the cover comes off. I have 3 kids under 10. We're looking into getting the cover replaced, as it's probably 10 years old, and growing things on it/in the webbing.
    27,000 gal. plaster IG with round spa built in 2007. TFT-100 test kit XL w/ Speedstir
    Jandy CL580 cartridge filter. Jandy 1.0 hp filter pump, 1.5 hp booster/spa? pump.
    Aqualink RS One Touch controls. Paramount PC2000 In-floor cleaning system (1.0 hp pump?). Jandy LX pool heater, apparently broken.
    Missing so much gear due to previous foreclosure, it's sad.

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    Texas Splash's Avatar
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    Re: might not be able to open pool - mosquito breeding ground!

    I'm so sorry PG, I misread your first post about the tears & holes (cover NOT pool). Ugh. Yes, as Joel mentioned above, be careful about draining as that pool shell is of upmost concern. And since those dunks are not as harmful as I initially thought, then maintain control as best as you can on those pesky mosquitos.

    And to think I learned something new today from Joel who is in Minnesota:


    Man, I've been wanting to use that pic for a while now.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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    Mod Squad JVTrain's Avatar
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    Re: might not be able to open pool - mosquito breeding ground!

    I've actually been to the park where that sign is at... just can't recall where atm...
    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

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