test error

  1. S

    Conflicting information for testing CYA

    This page says to glance and not look for the black dot, but this page says to continue pouring until "all traces of the black dot at the bottom of the view tube completely disappears, even after you stare at it for several seconds." Which one is right?
  2. test-CH01-s.jpg

    test-CH01-s.jpg

    error with CH test from TF-100
    • Teald024
    • Media item
    • test error
    • Comments: 0
    • Category: General Pool Photos
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