Recent content by jkarn

  1. J

    Why reduce?

    The pool I inherited reduces the 2" coming out of the main pool pump. It's still 2" coming out of the filter. It's there a reason for this? Is it good, bad, neither?
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    1000003697.jpg

  3. J

    Ball Valve, Swing Check, or Spring Check to prevent backflow

    Any recommendations on brand or what to stay away from?
  4. J

    Ball Valve, Swing Check, or Spring Check to prevent backflow

    My spa height is about 2 feet above ground and when I clean the filter by shutting off the system, closing the intake valves, and removing the filter housing... The water continues to flow back from the spa through the heater and into the bottom filter housing. Its not a huge problem, but with...
  5. J

    Small square tiles and white "caulk" inset into small square depression - came out

    Any suggestions on where to buy this stuff online? All of the distributors near me carry their roof stuff, but not the marine stuff. The only options on Novagard's site is a whole case.
  6. J

    Small square tiles and white "caulk" inset into small square depression - came out

    Would I use the adhesive or grout for this? I assume its a bit of a waste to use 1 for adhesion and the other purely for "grout" between the tiles? Or should I adhere the tiles first, and then fill with the grout?
  7. J

    Small square tiles and white "caulk" inset into small square depression - came out

    I have these small black tiles set into a white "caulk" or adhesive in sets of 4 in my fiberglass spa and pool. One of them came loose this year in he spa. What type of "caulk" do I use to put this back in? Pictures attached of what they look like in the pool and what the piece that came out...
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    PXL_20240820_224137279.jpg

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    pooltiles.png

  10. J

    Planning on adding Borates... Should I assume 0 to start?

    For those interested, I've had good luck with 2 things for sure: pH is much more stable and the sparkle of my water is better. 1. pH - I have a waterfall that aerates the water in the pool and I have seen no impact of the waterfall on pH increase since adding borates. Same goes for the blowers...
  11. J

    In Ground Spa with no Cover: blue solar blanket only

    Another note: I've been trying a "liquid solar cover" as well. It's clear that it's helped in the pool, but it doesn't seem to have helped in the spa. The pool is very irregularly shaped, so it's too much hassle to get a solar cover cut and on it.
  12. J

    In Ground Spa with no Cover: blue solar blanket only

    Ok. I'll get that solar blanket on today and see what happens. It's new, so I have to cut it. The problem with a traditional cover is the cost and where to store for a 10' diameter fiberglass shell. Options have been limited. Note: I'm also going to try adding borates (boric acid method) later...
  13. J

    In Ground Spa with no Cover: blue solar blanket only

    It was freshly filled end of April. We don't keep it open in the winter and do a full drain when we close the pool; i.e. we treat it like a smaller and hotter pool.
  14. J

    In Ground Spa with no Cover: blue solar blanket only

    So I've been monitoring this spa pretty closely: keeping temperature relatively low at 98F. CYA is at 40, but my chlorine keeps dropping to 0 from day to day. Currently, I haven't been putting the solar blanket on and it gets direct sunlight starting around 7:30am until late afternoon. All other...