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Thread: Algae into Cloudy

  1. Back To Top    #1

    Join Date
    Apr 2013
    Location
    Florida
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    31

    Algae into Cloudy

    I came to my mothers house in Florida and she had a nice clear pool. After a week with our kids and people in it everyday it had an Algae bloom. I went to a pool store and had it tested (I apologize for not having exact numbers) and they said our CYA was around 150, which was very high.

    I did the following.

    - Removed the stabilizer tablets from the pool. (My mother puts one tablet in per week since her chlorinator cell died last year and she shocks it once a week) In theory, the stabilizer just built up over time and she didn't test it enough to notice it creeping up.

    - then we poured 5 gallons of chlorine in, to give it a good shock.

    - we also lowered the water level and began diluting the CYA, which is currently at 90.

    - I've continued to shock it regularly

    - I used Floc and vacuumed to waste. (the day after I used Floc, it was crystal clear until while I was vacuuming to waste I saw some algae coming out of the jets

    - I clean the filter everyday (It's a cartridge filter)

    I tested it today at the pool center and they said all the numbers looked good and healthy (again sorry for not having them, my mother got it tested)

    But my pool still looks like this (photo attached)

    PLEASE HELP!
    10,000 Gallon In-ground pool.

  2. Back To Top    #2
    Charlie_R's Avatar
    Join Date
    May 2013
    Location
    Mexico, MO
    Posts
    2,156

    Re: Algae into Cloudy

    Please do yourself and your mom a favor, and read these sections of Pool School:

    pool-school/defeating_algae

    pool-school/shocking_your_pool

    pool-school/overnight_fc_test
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

  3. Back To Top    #3
    pwrstrk's Avatar
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    Aug 2012
    Location
    Elverson Pa.
    Posts
    4,758

    Re: Algae into Cloudy

    Without any valid test results it makes it hard to help, plus we really don't trust the pool stores testing.

    You might want to look into getting yourself a good test kit. You can get one here TFtestkits.net. The TF100 with the XL option is the best value, and the one I use.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

  4. Back To Top    #4

    Join Date
    Apr 2013
    Location
    Florida
    Posts
    31

    Re: Algae into Cloudy

    I suppose it is time to finally get a test kit. I'll take your advice.
    10,000 Gallon In-ground pool.

  5. Back To Top    #5
    pwrstrk's Avatar
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    Aug 2012
    Location
    Elverson Pa.
    Posts
    4,758

    Algae into Cloudy

    Believe me you won't regret it. Small investment to take control of your pool.

    To perform the SLAM process, which you need to do you'll need it also. Without it, it will be basically impossible to do accurately.

    Look at this in pool school also pool-school/pool_water_chemistry
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

  6. Back To Top    #6

    Join Date
    Jun 2012
    Location
    Howell, NJ
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    977

    Re: Algae into Cloudy

    The other thing, cleaning the filter once a day is probably too often. You don't want to clean it until the pressure rises 25% above clean pressure.
    John
    7 year old ~13,500 gal 24' AGP with 1.5 hp Proline pump, 150 sqft Pleatco cartridge, filled with well water with pH of about 4.5.
    Wanda the Whale pool vacuum, home made heater, Taylor K-2006
    Cloudy Pool? 1) Order test kit. 2) Follow SLAM
    New to TFPC? Read Pool School a few times, then post questions. PoolMath will help with chemical additions.

  7. Back To Top    #7

    Join Date
    Apr 2013
    Location
    Florida
    Posts
    31

    Re: Algae into Cloudy

    Test Kit ordered and will report with better info!

    Thank you all.
    10,000 Gallon In-ground pool.

  8. Back To Top    #8

    Join Date
    Apr 2013
    Location
    Florida
    Posts
    31

    Re: Algae into Cloudy

    While waiting on this test kit, I went to the pool supply store an asked for a new test and all the numbers as well. They were dubious about internet forums (and something about south florida being a unique pool environment), but then again I'm dubious about them! Here is what they provided me:

    FC - 5+
    CYA - 90
    PH - 7.6
    TA - 90

    *** I went to clean my cartridge filter after cleaning it 2 days ago and it was dark green! So it seems like algae is still blooming rampantly.
    10,000 Gallon In-ground pool.

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