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Thread: Starting inground remodeling. Question regarding draining the pool

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    Join Date
    Aug 2015
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    Jacksonville, FL
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    Question Starting inground remodeling. Question regarding draining the pool

    Hello,
    I'm starting a multi-phase remodel of my existing IG gunite pool. Installation of remodel pavers and coping over the existing concrete deck is scheduled to start in two weeks. The marcite pool will be resurfaced with a Pebble-Tec finish later on. I'm also updating the 1993 installed Fiberstars fiber optic lights with a Fiberstars PAL Treo LED retrofit system in order to utilize the existing 1-1/2 inch conduit and niches. I am also replacing all of the original Caretaker 99 pop-up heads (20 total). Some of the heads are broken internally and cannot be removed with the head removal tool on a pole...I will need to work on getting them out of their collars once I drain the pool.

    My question is a simple one: How long can a gunite pool be drained without damaging the plaster? I would like to keep the pool dry and out of service for a month or longer while I renovate everything using different contractors for the pavers, screen enclosure upgrades, and pool resurfacing. I had the pool resurfaced in 2001 when I purchased the home (mediocre job done by the contractor I hired back then). The pool does have a hydrostatic valve that I plan to remove and replace with a new one. I've read several articles that marcite will dry out and may de-laminate from its substrate if left drained for too long. My question is really this...how long is too long?

    I'm not too concerned about the pool floating out since the property sits on an elevation, the soil is sandy and I've never had any standing water issues (an it sometimes rains 5" or more in a day here in Florida.) The water table should not be too high in my vicinity and I will remove the hydrostatic plug when I drain the pool.

    I'd appreciate some feedback on how long I can safely leave my pool emptied given that the existing layer of marcite will need to be removed during the prep work for the pebble finish installation.

    Thanks,
    Kevin
    My pool/spa: 14k IG, Pebble-Tec Tahoe Blue interior, Zodiac Caretaker in-floor cleaning system, Aquabot Turbo robotic cleaner, 3HP Pentair Intelliflo VS pump, Pentair Clean & Clear 200sf cartridge filter, Circupool RJ-45 SWG, TF-100 test kit, Hayward Heat Pro HP2100TCO heat pump, Fiberstars 6004 metal halide illuminator with four 150-strand fiber optic lights.

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    Mod Squad pooldv's Avatar
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    Aug 2012
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    Re: Starting inground remodeling. Question regarding draining the pool

    Welcome to TFP!

    I don't know the answer to your question. Or if there is even an answer other than "it depends" on several things. How old it is, what condition is it in, what condition was the last plaster layer in, how well was it adhered to the gunite, how hot, how dry, how sunny.

    Hopefully, someone with a better answer comes along. Good luck with your project!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Aug 2015
    Location
    Jacksonville, FL
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    8

    Re: Starting inground remodeling. Question regarding draining the pool

    Thanks for the reply. I figured there's a lot of variables to consider, like the ones you listed. Having a pool and keeping it in good shape can be a full-time job...and a big expense . But in the long run it's worth it now that I'm retired I plan on spending a lot more time in my backyard.

    Kevin
    My pool/spa: 14k IG, Pebble-Tec Tahoe Blue interior, Zodiac Caretaker in-floor cleaning system, Aquabot Turbo robotic cleaner, 3HP Pentair Intelliflo VS pump, Pentair Clean & Clear 200sf cartridge filter, Circupool RJ-45 SWG, TF-100 test kit, Hayward Heat Pro HP2100TCO heat pump, Fiberstars 6004 metal halide illuminator with four 150-strand fiber optic lights.

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    Mod Squad pooldv's Avatar
    Join Date
    Aug 2012
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    DFW, TX
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    23,994

    Re: Starting inground remodeling. Question regarding draining the pool

    More time in the backyard sounds like a great plan! That's what I tell my wife! Yeah, honey, it takes me hours every day to make the pool look this good! I would be surprised if I spend an hour a week in total maintaining the pool. Except for leaf time and cartridge filter cleaning day.
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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