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  1. M

    SWG and a Sad Tree

    Over the winter, the return jet plug on my agp leaked, and I lost probably about 1,000-1,500 gal of water at 3,600 ppm salt. This flowed downhill toward a tree, which is now looking a bit sad: yellow leaves relative to the others of the same species and age. I realize this is more a tree...
  2. M

    Polaris 65

    I seem to recall the net end of my Polaris 65 wafting and swooping around last year and periodically coming off the bottom of the pool. This year it’s riding continuously along the bottom and seems much less energetic. What am I doing wrong?
  3. M

    The Final Word on Calcium Hardness

    Cheap vinyl liners with Ca filler. Out-dated manufacturer manuals. Possible warranty requirements. Heaters. SWG cell scale. This thread from 2009 that was ongoing for a decade: Calcium hardness and vinyl liners!! Can someone give me the TL;DR? I’m sitting at CH 125 and CSI -0.82 For a vinyl...
  4. M

    Pool Math iPhone App Sticky Target Free Chlorine

    I can’t seem to keep the target free chlorine (circled in red) where I set it once I leave this screen. It reverts back to 6 every time I come back to FC. I’d like it to be at 7. The “add” calculation updates accordingly when the target is changed (blue arrow). The behavior persists whether I...