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  1. tcfarley

    Alkalinity test question

    I have the TFP standard solution for Total Alkalinity 100ppm, along with new TA reagents R-0007, R-0008 and R-0009 and a new test cylinder. When I do the TA test with the standard solution (2 drops R-0007, 5 drops R-0008, and then counting the drops of R-0009), I get a TA measurement of 110ppm...
  2. tcfarley

    Our backyard "Lake Louise"

    This is my first post after four years on the sidelines benefitting from the wonderful advice and camaraderie of the TFP community. So here's a long overdue thanks for all of that! Here's what prompted me to post today: Our backyard swimming pool is looking like a crystal clear version of Lake...