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Thread: sudden outbreak of surface foam

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    sudden outbreak of surface foam

    24' 15,000 gallon salt. Everything was fine, chemistry was good per pool store but they recommended 24 oz Phosfree due to elevated phosphates 400ppb. Added that last night and about mid day today the surface suddenly foamed up. Acts like it is clearing up and then covers the whole surface again. Any ideas what this is?
    FC 5ppm
    salt 3200
    CH 260
    CYA 55
    TA 100
    PH 7.7
    temp 73
    run filter and SWG 3 hours at a time for total of 9hours. turned filter on constant when foam appeared.
    24' ABG 15,000 gallon. Installed 2005, AquaTrol SWG installed 2015 Pentair 1.5hp pump, 200#sand filter
    Blue Springs, Mo.

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    BoDarville's Avatar
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    Jun 2012
    Location
    DFW, Texas
    Posts
    3,840

    Re: sudden outbreak of surface foam

    Sounds like the root cause is the pool store selling you chemicals you do not need. You do not need to worry about phosphates in a well-managed pool. Chlorine and chlorine alone, in the proper amount will prevent algae no matter what the phosphate level is. I know some folks who have phosphate levels of around 5,000 ppb and they never get algae because they maintain the proper level of chlorine in the pool. For the most part, I use only two chemicals to maintain my pool; chlorine (in the form of liquid bleach) and muriatic acid - that's it.

    If you want to take control of the pool and free yourself from the pool store and all the needless chemicals they will push on you, you need one of the Recommended Test Kits. I use the TF-100 because it's the best value and they have a freshness guarantee. You can order it here: TFTestkits.net. They ship fast - you should have it in your hands in 2-3 days with normal shipping.

    Here are some resources to give you an overview of managing your pool using our methods:
    1. ABC's of Pool Water Chemistry
    2. Chlorine CYA Chart
    3. Recommended Pool Chemicals
    4. Recommended Levels
    5. Pool Math
    Gold Supporter, TFP Lifetime Supporter, 26,680 gal Plaster IGP 3.5 - 10' depth / Attached Waterfall Spa, Manually Chlorinated, Triton Sand Filter, 1.5 HP * 1.1 SF = 1.65 SFHP 1-speed Pentair WhisperFlo WF-26 Pump, 400K BTU NG Teledyne Laars Series One Heater, Polaris 360, Test Kit Comparison, Chlorine/CYA Chart, SLAMing Your Pool, OCLT
    A good test kit is an investment, not an expense.

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    Join Date
    Oct 2014
    Location
    Central PA
    Posts
    87

    Re: sudden outbreak of surface foam

    I second what bodarville said. My pool is new, but I started with the method taught here, and had a tf-100 before my pool was even started, get this test kit, read up on pool school and be patient,

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    Casey's Avatar
    Join Date
    Apr 2007
    Location
    SW PA
    Posts
    10,157

    Re: sudden outbreak of surface foam

    How much did they steal from you for that bottle of potion?

    As Bo said, you do not need that stuff. 're read pool school since you've been gone for a couple years.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

  5. Back To Top    #5

    Re: sudden outbreak of surface foam

    I have a good test kit. The only reason I took the water there is because I just switched to salt this year and wanted a full profile from another source. Everything was really good until I added the PHOSfree. From what I have read it will clear in a couple of days. Wont be going to them anymore.
    24' ABG 15,000 gallon. Installed 2005, AquaTrol SWG installed 2015 Pentair 1.5hp pump, 200#sand filter
    Blue Springs, Mo.

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    Casey's Avatar
    Join Date
    Apr 2007
    Location
    SW PA
    Posts
    10,157

    Re: sudden outbreak of surface foam

    You have a good kit. You don't need a second opinion on numbers.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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