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    Filter Pressure Gauge Reading Zero

    I have a Jandy CL340 cartridge filter, and its pressure gauge has been reading zero. I figured it died, so when I last cleaned the filter, I replaced it with a new OEM gauge: Amazon.com: Zodiac R0357200 Air Gauge Release Valve Assembly Replacement for Select Zodiac Pool and Spa Filters: Garden...
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    Solar introducing air

    Lately I've been getting a lot of air bubbles coming out of one the returns. This only happens when the valve is switch to the solar panels. When not on solar, no bubbles. Now I've always had some air bubbles when the solar is first switched on as all the air in the solar panels is flushed...
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    Missing CYA

    I just tested my water today (Taylor 2006 kit), and my CYA reading is baffling me. I couldn't get any reading. It was basically clear when the vial was full. Now last summer I had added a bunch of CYA and it tested around 50 or so. I double checked with the pool store, and they also didn't...