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Thread: Help! 911 - algae showing up

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  1. #1
    Join Date
    May 2006
    Location
    N.E. TX
    Posts
    39

    Default Help! 911 - algae showing up

    I got my kit and everything has gone well for about a week. This weekend, I noticed my ph looked to be about 8.0. I added some acid to bring it down. I think I added too much (1.5 gallons). Anyway, pH now seems to be back up to about 7.2 or 7.4. I have noticed I have some green algae trying to grow on the walls as well as a little cloudy water. The algae seems to be under the jets - maybe coincidental. Is it possible the pH change let some sort of algae start??? Here are my results:
    FC = 6
    CC = 0
    pH = 7.4
    ALK = 120
    CAL = 120
    CYA = 55
    Salt = 3600
    My initial thought was to shock (with bleach of course), but I have no CC and my FC is high enough for my CYA levels. I wouldn't freak out, but my wife is having her office party over here next weekend (July 1). I threw in a jug of bleach tonight for good measure - should bring it up to around 8.
    Any suggestions?
    27,000 IG Vinyl
    Aquarite SWG
    Still Learning Everyday

  2. #2
    duraleigh Guest

    Default Re: Help! 911 - algae showing up

    I'd shock it. Cl up to around 17ppm in a vinyl pool...higher if your pool is plaster. Unusual that you have no CC's but seeing the algae would be good enough for me.

  3. #3
    Join Date
    May 2006
    Location
    N.E. TX
    Posts
    39

    Default Re: Help! 911 - algae showing up

    What about the pH bouncing around? You think it contributed?
    27,000 IG Vinyl
    Aquarite SWG
    Still Learning Everyday

  4. #4
    duraleigh Guest

    Default Re: Help! 911 - algae showing up

    No. If I had to guess, I would surely guess there was a lack of Cl at some point that allowed it to start.

  5. #5
    Join Date
    May 2006
    Location
    N.E. TX
    Posts
    39

    Default Re: Help! 911 - algae showing up

    I'll start shocking tomorrow. How low would you recommend it before I let the kids back in? Thanks again.

    Dave to the rescue!!!
    27,000 IG Vinyl
    Aquarite SWG
    Still Learning Everyday

  6. #6
    Join Date
    May 2006
    Location
    Sanford, FL
    Posts
    387

    Default Re: Help! 911 - algae showing up

    When the clorine is below 10ppm and the PH is within normal range.
    Completed 8/21/06
    14,000 gallon 3'-6' concrete pool with Diamond Brite
    Spa with spillway
    250K BTU gas heater (for spa)
    SWCG - Aqua Rite
    Hayward Super II Pump - Cartridge filter

    See pictures here http://www.philsimmons.com/family/ga...mages&keyword=

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