oclt

  1. C

    OCLT affected by cold air/warm water?

    FC: 15.5 CC: .5 CYA: 40 Ph: 8.0 TA: not recently measured I’ve been in SLAM mode for four days (Keeping FC 16-17ppm). The reason: The pool hadn’t been swam in for a week. Yellow/brown sediment on the bottom, but not the sides. I believe it was pollen (based on forum posts I read here). I...
  2. M

    To Slam or not to Slam...

    Hello Guys. Been a lurker here for a few months and learned A LOT. Did my first OCLT last night and ended up with a loss of 2ppm FC (8 hours total). Pool looks great, was suspecting a potential issue when I had to turn my SWG up past 95%, running pump for 19 hours with a break at night for...
  3. aquaN00b

    Quick OCLT procedural question

    Hello just want to double check myself that I did this correctly. Added 10% LC at 845PM to get FC up. Tested at 1030PM...FC was 3.4. Left pump on. Tested FC again at 545AM and it was 2.8. So FC loss of 0.6. I'm thinking this is a PASS, but is 7 hours enough time? Is pump on the entire time the...