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Thread: First Test with TF-100

  1. Back To Top    #1

    Join Date
    Jun 2008
    Lewisberry, PA

    First Test with TF-100

    Received my TF-100 today and am very pleased. My first test results are as follows:

    PH: 7.3 - 7.4 (still a little hard for me to distinguish the colors, but more pink than orange)
    FC: 3
    CC: <0.5 (but there is some!)
    TA: 90
    CH: 170
    CYA: 60-70 (closer to 60, I think)

    I know at my CYA level I need to get my FC in the range of 5-9ppm, but do you think I need to shock the pool first? The CC test did turn pink and one drop turned it back to clear so I know there is some CC in the pool but less than 0.5. I figured I would leave the PH alone for now since I am using liquid bleach to chlorinate and shock and that should slowly increase the PH.

    The water looks real good and my pool description is in my signature.

    Am I on the right track?

    14 x 28 Vinyl Inground, 13200 gal., Hayward EC-65 DE w/1hp Superpump

  2. Back To Top    #2
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    SW Indiana

    Re: First Test with TF-100

    I'd just raise it into range as long as the water looks good.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  3. Back To Top    #3
    Butterfly's Avatar
    Join Date
    May 2007
    South Carolina

    Re: First Test with TF-100

    Hi astrolite,

    Here is a verbal scale (by Waterbear) that may help you with determing the pH colors:

    6.8 and below yellow
    7.0 yellow with a bit of orange
    7.2-7.3 orange
    7.4-7.5 red-orange
    7.6-7.7 red
    7.8-8.0 "pinkish" or "cool" red but not quite purple
    8.2 and above purple
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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