total chlorine

  1. D

    Non-Chlorine or Chlorine Shock

    So over the last week I had noticed that the deep end of my 16x32 pool had become a little murky, after testing it i realized the chlorine had gone now to almost nothing. I use a floater with three inch pucks to supply it. I refilled the floater and added a granular cal-hypo to try and quickly...
  2. J

    Jack's Magic - False FC Readings?

    Hi all, I did the Jack's Magic "O2 Safe Shock & Stain Solution #2 Treatment." In the instructions, it says that the treatment can produce false FC readings for 3-4 weeks and that I should use the TC readings during that time. I'm fine with this, but want to make sure I'm doing this right...