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Thread: New Pool Owner...Old Test Kit.

  1. Back To Top    #1

    Join Date
    May 2007
    Enid, Oklahoma

    New Pool Owner...Old Test Kit.

    I purchased a house last summer with an IG fiberglass pool. This is my first year to open it from the beginning of the season. There was an older DPD test kit left behind that probably has not been used for several years. The test cell reads up to 10 ppm and there are some really old reagents for FC and TC labeled 1A and 1B and 3. The instructions on the lid say to add five drops each. I've tried them and they never give any color change at all. Can I replace these with any DPD replacement reagents or should I consider buying a new kit? The kit also contains titrants for TA, CH, and Acid and Base demand. They appear to work (I got a TA reading of 130 ppm) but I don't know how accurate they might be after so many years of sitting around.

    The test cell has a cap that covers all four cells. There is a larger cell on each side that sits "behind" the color charts and a smaller cell that sits next to each chart. Does anyone know what brand kit this might be and why there are two test cells for CL and pH? There is no name on the box.

    I have a simple OTO test kit that works but I'm much more anal than that.


    I looked while I was home for lunch and noticed the kit and reagents say "LaMotte" all over them. I don't know how I missed that.
    20K IG Fiberglass, 3/4 hp Sand, Hayward ColorLogic

  2. Back To Top    #2
    SeanB's Avatar
    Join Date
    Mar 2007
    Missouri City (suburb of Houston, TX)
    If you decide to go with a new kit, I recommend the TF-100 from - the site is undergoing some renovations right now, but you can pm "duraleigh" for ordering info.
    TFP Founder

    My Pool: 13K gal IG gunite with 7' spa, Pentair Cartridge Filter, Intellichlor IC40 SWG, Polaris 280 Cleaner, TF-100 Test Kit w/ salt test.

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