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Thread: Brown algae

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    Join Date
    Apr 2016
    Location
    Chicago,Il
    Posts
    2

    Brown algae

    Hi,I'm new to TFP!! My problem is I keep getting this brown algae year after year in my pool. I have a 15x24 oval 52" deep with a sand filter. I shock,vacuum to waste and the pool looks great! The minute I put the filter on the brown algae appears!! I first thought it was sand coming from under my liner but it's not gritty to the touch. Should I get an Earth filter?Any ideas would be greatly appreciated!
    Thanks!
    15x24x52" obove ground pool....Sand filter

  2. Back To Top    #2
    Mod Squad jblizzle's Avatar
    Join Date
    May 2010
    Location
    Tucson, AZ
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    37,389

    Re: Brown algae

    Welcome to TFP!!!

    Only 1 idea ... you are not maintaining enough chlorine in the pool.

    How are you chlorinating? What CYA and FC are you maintaining? How are you testing?

    Have you discovered Pool School yet? Start with these:
    ABCs of Water Chemistry
    Recommended Pool Chemicals
    How to Chlorinate Your Pool
    Jason, TFP Moderator
    18k IG pebblesheen pool, Hayward ProLogic P4 w/ T-15 SWG, Pentair 1HP 2-speed Superflo, Hayward 6020 DE filter
    500 sqft Heliocol solar panels, ThePoolCleaner, TF-100 test kit w/ SpeedStir
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  3. Back To Top    #3

    In the Industry

    duraleigh's Avatar
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    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,085

    Re: Brown algae

    +1 what jblizzle said.....you need more chlorine
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

  4. Back To Top    #4

    Join Date
    Apr 2016
    Location
    Chicago,Il
    Posts
    2

    Re: Brown algae

    Thanks!! I'll look into the Pool School. I use liquid shock and float chlorine discs. I test with a basic dropper type for chlorine and ph. I live in Chicago.

    - - - Updated - - -

    Thanks! I'll look into the Pool School. I use liquid shock and float chlorine discs. I test with a basic dropper type for chlorine and ph. I live in Chicago.
    15x24x52" obove ground pool....Sand filter

  5. Back To Top    #5
    Texas Splash's Avatar
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    Jun 2014
    Location
    South-Central Texas, Marion/San Antonio
    Posts
    12,979

    Re: Brown algae

    Frank, also make sure to refer to the links you see below in my signature. The recommended levels/chemicals, and Chlorine/CYA Chart. Oh, and course ... the right test kit - TF-100 (or Taylor K-2006C). That's a must or it's all a guessing game. You'll thank us later. Have a nice evening.

    Oh, and be careful with those discs! They raise CYA to such high levels you have to do a partial water drain. Be careful.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
    Vital Links: POOL SCHOOL, RECOMMENDED LEVELS, RECOMMENDED CHEMICALS, Poolmath Calculator, SLAM, Chlorine/CYA CHART.
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