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Thread: Satuuration Index??

  1. Back To Top    #1

    Join Date
    Apr 2011
    Location
    Warner Robins, GA
    Posts
    245

    Satuuration Index??

    So I took a trip to my local pool builder (AAA Pools, Warner Robins). I needed to get some gaskets as my multi valve was leaking- to my surprise they just gave me the top piece fully assembled under warranty, so all I had to do was unscrew the existing and swap it out.

    So now onto the topic. They installed a new water test system, so why not let me see what it comes up with. The test system looks fairly advanced with sealed canisters for each reagent and are used one time then discarded. The sign on the system was PINPOINT Computerized Water Analysis System.

    My readings were all with in range and it was very close to my home testing, except there is a section in the print out that it tests for that I don't know much about. It is called "Saturation Index" the "acceptable range" is -.3 to 0.3ppm. My value is .73, and the analysis comes back as "Scaling".

    Is this something to be concerned with? I didn't see it in the Pool School section- I may have missed it. Do I need to correct this? If so how?

    Thanks all.
    16 x 32 Grecian Vinyl. Salt-Aqua Plus PS-4, Hayward Pro Series Sand Filter, Hayward Ecostar SP34000vsp, Gulfstream HE-125-T-A Heat/Cool heat Pump

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,879

    Re: Satuuration Index??

    Saturation index gives you a rough idea of the possibility of calcium scaling or erosion of plaster surfaces. +0.73 is high and suggests you are very close to scaling. That shouldn't be possible if you follow our recommended levels, which is why we almost never talk about it, but is possible within some other guidelines.

    You should post your full set of water test results and we can tell you the best way to take care of it.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Join Date
    Apr 2011
    Location
    Warner Robins, GA
    Posts
    245

    Re: Satuuration Index??

    Jason,

    Thnak you - I will post my results soon. I also ordered a TF-100 kit and am going to compare those results to the store as soon as it arrives.
    16 x 32 Grecian Vinyl. Salt-Aqua Plus PS-4, Hayward Pro Series Sand Filter, Hayward Ecostar SP34000vsp, Gulfstream HE-125-T-A Heat/Cool heat Pump

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