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  1. I

    Mustard algae coming back?

    And another pic
  2. I

    Mustard algae coming back?

    I do mean when not shocking. It may be pollen, we have 5 pretty big (80') oak trees in our back yard not sure what they drop out of the sky as we just moved in. It's also very shady obviously. Here's a picture of the type of staining I'm talking about, it was taken yesterday and is actually...
  3. I

    Mustard algae coming back?

    Since the staining started I have been brushing, was everyday while shocking but have slowed down since... Under normal circumstances is daily brushing required? I'll try the loss test tonight.
  4. I

    Mustard algae coming back?

    Ok finally got some daylight hours to play with. The test was inconclusive. The "staining" seems to be some sort of very very fine dust in patches on the liner, and whether I put a tri-chlor tab or a sock on it either way it gets disturbed and is brushed away... I left both in place a for a...
  5. I

    Mustard algae coming back?

    Interesting, I don't know how to test them no. I just redid my levels w/ TF100 kit: ph 7.2 (and aerating) FC 4.5 CC 0.0 TC 4.5 TA 100 CYA 45 (ish, hard to tell in twilight!) CH 230 Temp 78ish
  6. I

    Mustard algae coming back?

    I did do that, but went a step further and maintained the mustard algae shock level throughout the entire shock process for extra killing power plus an additional 24 hours after. Everything seemed fine but my FC hasn't even come back down to normal yet, it's not been low enough for me to add...
  7. I

    Mustard algae coming back?

    We recently bought a house with a highly shaded backyard and an onground vinyl pool - 57,000 L. Because I didn't know any better I was using chlorination pucks and was having the local pool store check my water weekly and things started out OK. Then I noticed when I turned the pump on in the...