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Thread: Getting fed up with algae!

  1. Back To Top    #1

    Join Date
    Apr 2016

    Getting fed up with algae!

    Hi all. I came here because I don't know where to start. I took a picture of my pool to start with and need help to defeat the algae growing on the walls. I bought a testing kit at home depot awhile back (will buy the one you guys recommend) and so far have gotten these numbers"

    pH - ~6.8
    FC - (through the roof?) (turns the testing water very red)
    TA - ~ 80 (I added some backing soda last night to raise it up from 70)

    So, my question is what do I start with to defeat this algae? I am going to go out and brush the pool, but what is the best way to start whipping my pool into shape?

    Thank you to everyone for all the help.


    The algae is on the back wall, steps and love seat.

  2. Back To Top    #2
    Mod Squad tim5055's Avatar
    Join Date
    May 2014
    Columbia, SC

    Re: Getting fed up with algae!

    Welcome to TFP!!

    Step one is ordering the TF100 test and at least include the XL option. That will give you what you need while you are clearing the pool, and probably enough reagents for a couple of years normal use.

    The only other real option for a test kit is a Taylor K-2006. Be careful comparing prices because the K-2006 comes in sizes, designated by a letter. The basic K-2006 has .75oz bottles. You need to get the K-2006-C to get the larger bottles that you want. Even then it is a little short on the reagent & powder for the FAS/DPD test.

    I also have the SpeedStir and Sample Sizer. They speed testing and accuracy.

    Without accurate FC numbers ("through the roof" doesn't help ) and the CYA of the pool we really can't help.

    While you wait for it to get delivered, you have a homework assignment - Pool School. Start with these:
    ABCs of Water Chemistry
    Recommended Pool Chemicals
    How to Chlorinate Your Pool

    Until you get your test kit add 1/2 bottle plain generic bleach to the pool each day. To build up your muscles for the upcoming SLAM brush each day also, especially where the algae is visible.

    Now, housekeeping - If you could update your profile to include the State with your city that will help us give you area specific advice going forward. Also, please add your pool details to your signature as described HERE as it will help us help you.
    TFP Moderator 39 X 18 23,000(ish) freeform gunite; built 2007ish; Pentair Triton II TR100 600lb Sand filter; 2 HP Pentair pump with 2.2 HP AO Smith single speed motor; 2 skimmers, 1 main drain, 4 returns w/waterfall, Stenner 45MHP2 3GPD running@ 60% - 15 gal Tank; heated by the sun CYA 200+ when I started - 50 now. Dolphin Supreme M5 Pool Cleaner. Hot Springs SX Spa, 285 gallon

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

    Re: Getting fed up with algae!


    I agree, order a test kit ASAP. The odds are extremely low that you'll find a FAS-DPD test kit in stock at any pool store, and no other test can measure the FC at the levels you'll need. Save time and gas and order one online.

    Your pool doesn't look too bad - you can see through the water. WIth the right test kit, a lot of bleach, and the SLAM instructions you should be rid of the algae completely in just a few days.

    Check some of the links in this thread. Just scroll through and look at the pictures. Then do what they did.
    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!

  4. Back To Top    #4
    Mod Squad
    Join Date
    Aug 2012
    DFW, TX

    Re: Getting fed up with algae!

    Welcome to TFP!

    You came to the right place to rid your pool of algae forever. Yours will be easy! We're used to black water and tadpoles around here!
    TFP Moderator
    If TFP helped you or saved you money - Become a TFP Supporter! <--Click here
    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

  5. Back To Top    #5
    Mod Squad Texas Splash's Avatar
    Join Date
    Jun 2014
    South-Central Texas, Marion/San Antonio

    Re: Getting fed up with algae!

    Yep! Welcome to TFP. I love my TF-100 w/ Speed Stir.
    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
    If you enjoyed your TFP experience, please consider donating to Support TFP!

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