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  1. R

    Fc 0?????

    Where Can I Get The Oto Test I CurrentlyHaveTheTaylor K2005
  2. R

    Fc 0?????

    Thanks For The Input.
  3. R

    Fc 0?????

    Hello I Have Been Testing And New To BBB Method But My Cc Is .5 Fc Is Zero. Water Is Clear. Ph 7.3 Ta 80 Ch 200 Cya 40 AG, 16X32, Sand Filter. Trees All Around