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Thread: Beginning of an algae problem...

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  1. #1
    Join Date
    May 2013
    Location
    Northwest Indiana
    Posts
    116

    Default Re: Beginning of an algae problem...

    Increase your fc to the +shock+ level for your cya on the Best Guess chart found here. Then HOLD that level until 1) water/pool is visibly clear of algae, 2) your cc is less than .5, and 3) you lose no more than 1 ppm fc from dusk to dawn. Then HOLD that level for one more day. Also, you should be running your filter 24/7 until the problem is resolved.
    Last edited by Themadczar; 07-31-2013 at 12:47 PM.
    -Eric B. 16x32 rect 14,364 gal AG (Intex Ultra Frame); 14 in sand filter; 1 HP 2800 GPH pump; 8 hrs; Taylor K-2006c, utility water, debris cover
    @Best Guess chart http://pool9.net/cl-cya @K2006 http://pool9.net/testkits

  2. #2
    Join Date
    May 2013
    Location
    Northwest Indiana
    Posts
    116

    Default Re: Beginning of an algae problem...

    Also, use bleach instead of cal hypo or dichlor*, and continue brushing/vacuuming daily. *dichlor will increase cya and cal hypo will increase calcium hardness. And unless what you have is unblended dichlor, you shouldn't be using it at all.
    -Eric B. 16x32 rect 14,364 gal AG (Intex Ultra Frame); 14 in sand filter; 1 HP 2800 GPH pump; 8 hrs; Taylor K-2006c, utility water, debris cover
    @Best Guess chart http://pool9.net/cl-cya @K2006 http://pool9.net/testkits

  3. #3
    Join Date
    Oct 2012
    Location
    New Jersey, USA
    Posts
    26

    Default Re: Beginning of an algae problem...

    Thanks for you're response. I used the cal hypo shock because my calcium levels tested extremely low and it was a convenient way to lower the amount of 'stuff' I'd have to load into my car (for my pool, shocking with bleach would take many gallons of bleach, versus a few small bags of cal hypo), plus it was on sale which made the price right.

    What do you mean by 'unblended' dichlor? CYA has not been a big problem in my pool, if anything it tends to be a bit on the low side until mid-summer. Currently it is between 50-60ppm.

    When we shocked it did clear up temporarily, so I will give sustained shocking a shot.

    edit: Hey, I'm looking at bleach options for the pool. I'm not sure if there are any types that are not good for use in a pool? This stuff at is only a few bucks at Home Depot, but is it alright to use in a pool? Thanks.

    http://www.homedepot.com/p/HDX-121-o...specifications

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