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Thread: Drain hot tub into pool

  1. Back To Top    #1

    Join Date
    Sep 2015
    Location
    Avondale, AZ
    Posts
    87

    Drain hot tub into pool

    Hi all,

    Is it possible to simply drain the spa into the pool using the AquaLogic controller? The dark tiled walls have some calcium and limestone deposits I'd like to clean off, and figure the easiest way would be to drain it. Dumping the water into the pool would save me from having to waste 4-500 gallons refilling it if I simply dumped the water out.

    Thanks in advance!

    Eric
    Approx 25k gallon PebbleTec in-ground diving pool and attached raised (10 person?) spa, with spillover and waterfall.
    Hayward AquaLogic PS-4 control board, Hayward SP3400VSP Ecostar pump, Hayward C5520CP cartridge filter, Hayward H400FDN 400k BTU NG heater

  2. Back To Top    #2
    wjr75's Avatar
    Join Date
    Jun 2013
    Location
    IL
    Posts
    816

    Re: Drain hot tub into pool

    Mine you can drain into the pool until there is almost no water on top of the main drains. We have an auto spa valve when the switch on the side is in the up position will turn off the returns to the spa.
    Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
    Filter dual cartridge Sta-rite 450sq/ft, TF-100 Test Kit
    Heater Raypak 2100 400k btu cupro-nickel exchanger
    Auto pool cover, Polaris 280 auto pool cleaner, Jandy AqualinkRS8 Remote Control System

  3. Back To Top    #3
    Isaac-1's Avatar
    Join Date
    May 2010
    Location
    SW Louisiana
    Posts
    6,711

    Re: Drain hot tub into pool

    The question here is if you are just moving the problem from one hand to the other, this can be particularly true in your region where fill water is often high in calcium to begin with and it just gets concentrated through evaporation in pools and hot tubs.
    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~

  4. Back To Top    #4

    Join Date
    Sep 2015
    Location
    Avondale, AZ
    Posts
    87

    Re: Drain hot tub into pool

    Thanks for the replies. Hard water is definitely an issue here. I'd like to get the stains cleaned (which have obviously been neglected over the years), and then I'll stay on top of cleaning it regularly.
    Approx 25k gallon PebbleTec in-ground diving pool and attached raised (10 person?) spa, with spillover and waterfall.
    Hayward AquaLogic PS-4 control board, Hayward SP3400VSP Ecostar pump, Hayward C5520CP cartridge filter, Hayward H400FDN 400k BTU NG heater

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