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  1. MBoz

    What is happening here?

    We just opened our pool after winter and vacuumed the pool to waste. Yesterday, via help from the Pool Calculator, I added 4 gallons of 12.5% liquid chlorine while filtering, and tested after 15 minutes with results including FC=6ppm and CC=0.6. I was more or less testing for that “winter...
  2. MBoz

    Chlorine Tabs or the Lack Thereof...

    In utter desperation, I came upon the TFP Methods of running our pool, midway through last summer. I am so, so glad I did! I am to understand that I can forgo the use of Chlorine Tabs altogether if I keep the FC and CYA balanced?
  3. MBoz

    Can you help me identify the Waterline Material?

    Getting ready to open the pool, and the time has come to address the icky waterline of our cement pool that was built in 1976. We have well water, hence the discoloration and staining of the waterline, and I seek to rectify that, but I need to determine what material this may be first. Any...
  4. MBoz

    Sand Filter Sizing Recommendations

    This is our second summer in our 1976 home. Our pool filter might be as old as the pool and home itself. Last summer, we called the pool guy the previous owners had used for years. He commented on the fact that the filter was OLD, and we'd be needing a new one sooner than later. He's a nice...