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  1. M

    adjusting PH at high chlorine levels

    I was recently tasked to rectify a pool that had been left with no care for several months. It was very green with growths on the bottom that were beginning to look like green dust bunnies. I jumped right in with Home Depot's HDX 10% chlorine at a 12-15 PPM level and after a few days it is...
  2. M

    Dirt Cheap pumps on Ebay

    Replaced the motor on my pump a year ago and it has burned up again. It is an antique pump and I am going to buy a new one. It is very tempting to try one of these pumps on Ebay since they are so cheap. (I know you get what you pay for) But Sometimes you pay more than you need to...
  3. M

    persistent blackish grout and daily gray settlement

    Greetings fellow chlorinators, Being fairly new to the pool maintenance adventure and having inherited a sorely neglected pool I am getting a crash course, with the help of you all and Pool School, in many aspects of pool care and problem solving. I have had, so far, three algae blooms. All...
  4. M

    Another borate question(s)

    If borates lower chlorine usage as stated in the "So you want to add borates" article, how does one determine this decrease? Pool math gives the same demand results with or without Borates added. Do borates prevent loss? Is there a table somewhere I am not aware that outlines a new FC...
  5. M

    pool light with no screws

    Has anyone ever seen that? It is an old fixture with a cracked lens that still works but I can't see how to get it out to clean and repair it. The bezel is brass and it appears to be caulked in.:confused:
  6. M

    FC test seems to be meaningless, I'm about to drown myself!

    I have been having what seemed like testing inaccuracies for some time now. I figured maybe my methodology is wrong, maybe my measuring is inconsistent, maybe my reagents are bad…… So I got a speed stir and a sample sizer and new reagents from TFTest Kits and every test gives a different...
  7. M

    testing errors - Can OCL be 0 ?

    I have recently had some ridiculous test results. I am not one that cannot follow directions. I know that I am doing the tests correctly (with corrective council from this site) I recently ran out of DPD powder and got some new. Don't know if that is relevant but I had no problems before...
  8. M

    Algae detection?

    My recent shock treatment for recurrence of Algae (May 9) after my first inadequate shock experience was a fantastic success resulting in the cleanest clearest pool I have ever seen. Did the OCLT as outlined and all was good. Since then I got the CYA up to a bit over 30 Present tests are...
  9. M

    Recurring algae - First algae experience slamming- Confused

    Just recently took over caring for a pool (care taking estate) The pool company was doing it and I watched what they did for some time before I volunteered to take over. They came once a week and poured some chlorine and acid in and ran their Hammerhead that made it all cloudy and that was it...