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  1. J

    Passing OCLT and CC test, some minor puffs when brushing bottom.

    Vinyl above ground pool. Question on whether SLAM is finished. OCLT and CC tests are passing. Pool looks clear. Yet when I brush the floor I can see puffs of brown/maybe dark green stuff, minor compared to before SLAM, but still there. Using DE in sand filter and it is reducing. For deciding...
  2. J

    using Trichlor granules for CYA, how avoid staining vinyl pool?

    My CYA is at 60ppm. I'm trying to get it to 80ppm as we have a happy new SWG (intex). It's an above ground pool and we don't have a skimmer. I used a bottle of liquid gold to get it to 60ppm. I don't particularly want to buy another bottle (especially as quite a few threads suggest adding...
  3. J

    The joy of giant pipettes

    If, like me, you enjoy using a speed stir, you might also enjoy using a giant pipette to get your 10ml samples. Beats bending over to stare at your test tube, then trying to remember whether meniscus goes up, down, or even happens on plastic. Plastic from which the scale is coming off anyway...