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Thread: Algae or pollen?

  1. Back To Top    #1

    Join Date
    Apr 2013
    Location
    Ellicott City, MD
    Posts
    10

    Algae or pollen?

    I have two things:

    (1). I'm getting these little floaters in my pool and I can't twll if they're algae or pollen. I clean the pool daily 95% of the time and scoop them out. Pollen counts here in MD are absurd at the moment.

    [attachment=1:6q49nuyx]image.jpg[/attachment:6q49nuyx]
    [attachment=2:6q49nuyx]image.jpg[/attachment:6q49nuyx]

    (2). Yellow spots around pool and around drain. See pic (will attach another to next post). They don't scrape off with the brush nor do they feel slick. We just bought the house in October and it doesn't appear the old homeowners did a good job with maintenance. But I wanted to get the experts opinion instead of assuming all is ok.

    Current test results are below:

    FC 6.5-7
    CC <.5
    Ph - 7.4
    TA 100
    CH 250-275
    CYA 80 (I'm lowering it little by little when toddler allows pool drainage/refill)

    Last night, FC was between 5.5 -6 and I added a jug of 121 oz 8.25%. But it's in the 90s today and the sun gets a TON of light. I also drained about an 8th of the pool today vacuuming to waste and back washing.

    I recently bought skimmer socks and DE in an attempt to filter better and plan to do an OCLT tonight.

    Thanks!

    -Shawn
    Attached Images Attached Images
    30,000 gallons, IG, plaster, Hayward S-240 Sand Filter, 1.5 HP Hayward Super Pump (unsure of speed)
    Built circa 1980.

  2. Back To Top    #2

    Join Date
    Apr 2013
    Location
    Ellicott City, MD
    Posts
    10

    Re: Algae or pollen?

    Another side stain or algae pic?
    Attached Images Attached Images
    30,000 gallons, IG, plaster, Hayward S-240 Sand Filter, 1.5 HP Hayward Super Pump (unsure of speed)
    Built circa 1980.

  3. Back To Top    #3
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: Algae or pollen?

    I'd guess pollen for the floaters. The yellow stains look like stained Calcium scale to me. Do they feel rough and/or raised? Or is no one brave enough to get in yet?
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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