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Thread: Algae problems HELP

  1. Back To Top    #1

    Join Date
    Jun 2016
    Location
    Hattiesburg MS
    Posts
    10

    Algae problems HELP

    I slammed my pool yesterday with 9 gallons of Clorox ..I turned off my SWG several days ago because the of the issue with the algae and how green the pool is. I left the pool on never turning off. I woke today to still a very green pool so I did some tastings here are the results.

    CC. .05
    fc. .40
    alk. 80
    ph 8 😁
    calcium 225
    cya. Well I fill the tube till it over flowed and the black dot was stil there fuzzy but I could see it..which the top reads 20

    please tell me what to do
    35k gallon salt water vinyl pool
    hayward super pump
    hayward high rate sand filter
    breeze chlorine generator

  2. Back To Top    #2

    Join Date
    Aug 2015
    Location
    Grandy, NC
    Posts
    131

    Re: Algae problems HELP

    what kind of test kit are you using? First problem CYA too low. Need stabilizer to bring up 30. pH is too high, since you are going to be doing a SLAM. Need muratic acid to lower pH to 7.2. Then you can begin SLAM using instructions in HOW TO section of this website and poolmath to figure out how much of each chemical you need to raise CYA, lower pH and SLAM with chlorine. Happy to help with any questions
    19300 gal, AG vinyl, 1 HP Pentair Dynamo two stage pump, 5 yr old Hayward Vari-Flo sand filter, pool 14 yrs old, well water, testing with Taylor K2006

  3. Back To Top    #3

    Join Date
    Jun 2016
    Location
    Hattiesburg MS
    Posts
    10

    Re: Algae problems HELP

    I'm using the TF-100 test kit

    - - - Updated - - -

    I already put gallon of muradic acid in to lower Ph and bought stabilizer
    35k gallon salt water vinyl pool
    hayward super pump
    hayward high rate sand filter
    breeze chlorine generator

  4. Back To Top    #4

    Join Date
    May 2015
    Location
    Land O Lakes, FL
    Posts
    526

    Re: Algae problems HELP

    Please reread SLAM procedures. You will need to keep the FC at SLAM level until you pass OCLT.
    Matt
    2016 Pool Build: 12k IG Blue Granite Pebblesheen, Travertine Coping & Pavers, Pentair IntelliFlo, Intellichlor, Easytouch, Clean & Clear 320, Heliocol Solar - TF-100 test kit w/ SpeedStir
    SWG Run Time Calculator

  5. Back To Top    #5

    Join Date
    Aug 2015
    Location
    Grandy, NC
    Posts
    131

    Re: Algae problems HELP

    You may have overshot pH with a gallon of acid. Poolmath calculated 62 oz for reducing 8.0 pH to 7.2 (lowest you should go for SLAM. Please check and you may need to add borax. Please use poolmath to calculate stabilizer before using. If you have questions on using poolmath, let us know. If you get too much stabilizer in, it will be harder to do slam because you will need more chlorine to account for high CYA.
    19300 gal, AG vinyl, 1 HP Pentair Dynamo two stage pump, 5 yr old Hayward Vari-Flo sand filter, pool 14 yrs old, well water, testing with Taylor K2006

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