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  1. wollerd

    Gasket needed for Air Control assembly on Catalina Spa

    I’ve got a 13 year old stand-alone Catalina Spa. The gaskets in the air control valves have denigrated, most likely from dry rot. I’ve lubed the remaining one with Jack’s Formula 327. Without these little pieces of silicon, the air bubbles won’t turn on/off. I’ve been unable to locate new...
  2. wollerd

    Stains on Vinyl

    Hi, I'm a new home owner that inherited a 33,000 gal inground pool. I took the cover off for the first time in early May and discovered a green mess which I've (with your help) cleaned up nicely. The numbers are great FC=6, CC=0, pH=7.5, TA=110, CH=130, CYA=50 and crystal clear. The pool took...
  3. wollerd

    Still green after 5 days

    I took the mesh cover off on April 4th and tested the water. Water level was below the skimmers but above the returns, clear but a lot of algae on the bottom and walls. Water temp was 55, FC=0, pH < 6.8, TA=20, CH=90, CYA=70. I got the water level up, circulating, in balance, and started the...
  4. wollerd

    Low pH & Alk, High CYA -- where do I start?

    Hi. I’m a long time lurker and a first time poster. A short history. I bought a home late last year with a 20x40 in-ground vinyl pool, 2 skimmers and 2 returns. We also have a separate spa (360 gal). TroubleFreePool has been a tremendous resource and I’ve gone the BBB route with the spa. I...