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Thread: Back calculating pool volume using chemistry

  1. Back To Top    #1

    Join Date
    Jun 2015
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    Ottawa/Ontario
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    335

    Back calculating pool volume using chemistry

    There was a post on this site that I can't find. It was a method that allows back calculating pool volume using the alkalinity test I think...anyone have it handy?
    20000 gallon, IG, SWG, Sand Filter, Hayward 1/2HP + Lorentz direct solsr PV pump

  2. Back To Top    #2

    Join Date
    May 2016
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    Woodland, Ca
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    218

    Re: Back calculating pool volume using chemistry

    Build Video 2016 -- Solar Pad 20.5K gunite (37'x15') rectangle (3.5'-7') deep-- MicroFusion Laguna finish -- Jandy VS pump, cartridge and iAqualink RS -- Polaris 360 Black -- 2 Laminar jets -- 2 nichless 30w color led -- 550sq/ft Heliocol solar -- Soft water auto fill -- Stenner 17gpd

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    wjr75's Avatar
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    Jun 2013
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    IL
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    816

    Re: Back calculating pool volume using chemistry

    Early on I tweaked my pool and spa volumes I use in pool math by going by how the FC DPD drop test reacted to the amount of fresh chlorine I added. I have it dialed in now and was probably off by about 3K gallons at first.
    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

  4. Back To Top    #4

    Join Date
    Jun 2015
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    Ottawa/Ontario
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    335

    Re: Back calculating pool volume using chemistry

    Brilliant!!! Thanks!


    68,000litre, IG vinyl, LorentzPS 600 Solar Pump & 1/2 HP Tristar, Sandfilter, Aquarite T-15 SWG
    20000 gallon, IG, SWG, Sand Filter, Hayward 1/2HP + Lorentz direct solsr PV pump

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