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  1. W

    pumping options

    Has anyone tried to use a diaphragm pump such as surflo's 8000-033-236 for injecting chlorine? The biggest issue I see is that they may pump too much, too fast. The lowest flow I have found is around 1GPM. A pump such as this would pump all I would need daily in 10-30 seconds or so. Has...
  2. W

    Menards bleach adding cya??

    My pool had a cya measurement of 20 a week or so ago. I have only been adding menards 12.5% bleach as needed and had (1) 3" chlorine tablet in a floater. Today my cya measures 45. I checked it 3 times just to be sure. What could be going on?