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Thread: TF-100 Questions

  1. Back To Top    #1

    Join Date
    Aug 2012
    Fort Worth, TX

    TF-100 Questions

    My TF-100 measured my CH AT 1,100.
    I've tested it three times with the same results.
    I have had my water tested at 2 pool stores and the CH measured 450 and 550.
    I'm starting to wonder which is correct.

    Last night I did 3 FC tests within about 15 minutes to see how consistent they were.
    The samples came from exactly the same place in the pool.
    They measured 3.5...2.0...3.0
    The only variable I can think of was the amount of powder added.
    The powder I received is full of little white boulders that makes it very difficult to get exactly the same amount each time.
    Any pointers?
    10,000 gal / Plaster / Cartridge Filter / 1 1/2 HP pump motor/ TF-100 test kit.

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Tucson, AZ

    Re: TF-100 Questions

    The amount of powder does not matter too much ... as long as you have enough. Too little can result in problems. Just be sure you add the drops with the bottle vertical about 1 drop a second.

    Have you reviewed this: extended-test-kit-directions-t25081.html#p206396
    The CH can be a little tricky, especially without the use of the SpeedStir.
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
    Pool School + Test Kit + PoolMath = A TROUBLE FREE POOL
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