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  1. J

    Disappearing CYA

    Hi all, I just had to post what happened with my pool this week. On Monday I put 2 gallons of liquid chlorine in, bringing the FC level up to 4ppm. I didn't test on Tuesday. On Wednesday, I felt some slime growing on the pool wall, so I tested, and got 0 FC. I couldn't figure out how...
  2. J

    when FC goes up, so does pH?

    Hi all, every time I add liquid chlorine, (hth 10% from Home Depot), it raises the pH. Is it normal to have to add muriatic acid every few weeks? Thanks for any help JL
  3. J

    Has anyone ever set up AGP on 3/4" gravel?

    Hey there, I am attempting to set up a 24' round AGP. The directions say to use "fine mortar or rock dust" to use as a base for the bottom rails and plates. I can't find either of those things in my area, so I was thinking of just using 3/4" gravel tamped down and leveled. I have the ground...
  4. J

    How does cold water temp. affect test results?

    This is my first year using BBB. I let my Cl levels fall, and the water is clear, but green. I didn't drain this year, so when the weather is cold, I run the pump 24/7 , which I want to do to clear up the green anyway. I was just wondering how the cold temps, (37 degrees), might give me...
  5. J

    can you ruin a cartridge filter by cleaning too often?

    Last year was our first year with a pool - it came with the house. It took me like 2 or 3 months to get it cleaned up, but what seemed to make the most difference was when my pool store lady told me I should be hosing down the filter cartridge every day or so. She told me this just after I...
  6. J

    High Cl, still green and cloudy - Help!

    I have an above ground, 24' round, 13,500gal, vinyl liner, cartridge filter 9 days ago my water was pea-soup green, but clear - I could see the bottom no problem. I had a sample tested at the pool store, and they told me to treat for copper, and then use 12lbs of BioGuard shock, and then add...