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Thread: Have a small above ground pool, please help

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  1. #1
    Join Date
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    Default Re: Have a small above ground pool, please help

    I will definately start using bleach instead of the powdered shock treatment.

    I THINK I did the shot glass test right. It shows what I had previously guessed at, which is 10.

    I just added some borax a few mins ago.

    The pool is in direct sunlight but the chlorine has never dropped, it's continually increased since the day I started testing.

    So what will make it drop?
    24' x 52" AGP = 13.5k gallons
    Dynamo 2.0 HP pump, Sand Dollar sand filter, Polaris 65 vacuum

  2. #2
    waste is offline PF Support Team Whizbang Spinner waste 3 stars waste 3 stars waste 3 stars
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    Default Re: Have a small above ground pool, please help

    Rastoma, there are ways to rid yourself of excess chlorine in a pool, but I don't think you need to use them. 10 ppm of cl with a cya of 50 is no problem for your kids, thier clothes nor the pool. The combined chlorine is a problem, the best way to get rid of that is to ... add more chlorine - you've got to chemically 'burn' it out of the water. Ben's best guess chart says to take the ppm to 15 for shocking. Once the cc is gone you can reduce the ppm to ~3.
    Having said that, if you want less chlorine in the pool, give it something to attack (sweat, pee, suntan lotion, grass and leaves), but that will raise the cc again and you'll be back where you started (there is a chemical, thiosulphate, that will destroy the chlorine, but it's not cheep). My best advice is to shock until the water is clear and there's no more 'chlorine smell' then let it drift down by itself before adding more bleach to the pool. Just my $.02
    Luv & Luk, Ted

    Having done construction and service for 4 pool companies in 4 states starting in 1988, what I know about pools could fill a couple of books - what I don't know could fill libraries

  3. #3
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    Default Re: Have a small above ground pool, please help

    Ok, great. I was thinking along those lines but I wasn't sure.

    I thought shocking just meant to get rid of algae. So shocking will get rid of the CC? Cool.

    Will do that this evening.

    Using bleachcalc, I come up needing to add .7 litres of bleach to reach 15ppm since I'm at 10 now, if my calc was correct that 2200 gal is 8327 litres
    Last edited by rastoma; 08-15-2006 at 02:15 PM.
    24' x 52" AGP = 13.5k gallons
    Dynamo 2.0 HP pump, Sand Dollar sand filter, Polaris 65 vacuum

  4. #4
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    Default Re: Have a small above ground pool, please help

    If you open up Bleach calc, click on More Calcs...then click on settings..change the setting from metric to imperial. Unless you like using the metric system.

  5. #5
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    Default Re: Have a small above ground pool, please help

    DOH! Thanks!! No, I'm much more used to U.S. measurements
    24' x 52" AGP = 13.5k gallons
    Dynamo 2.0 HP pump, Sand Dollar sand filter, Polaris 65 vacuum

  6. #6
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    Default Re: Have a small above ground pool, please help

    I added 6% bleach, best guess amount for shock yesterday.

    Using shot glass method, CL is still at 10-11. I added the same amount this morning for shock level, tested this evening and no change in CL.

    I also added some borax yesterday, PH is about 7.5 now up from almost 7.0.

    Alkalinity has risen to 200ppm.

    stablizer is still at 50. No hardness detected.

    Should I keep adding bleach? How long should it take the shock to run the CL down?

    The water looks a little better. It wasn't super cloudy before, just slightly. Now it's just somewhat hazy.. hard to explain... it's just not sparkling clear like it should be and chlorine is still way high and you can still smell chlorine.

    Have been running the filter for 12-14 hours a day.
    24' x 52" AGP = 13.5k gallons
    Dynamo 2.0 HP pump, Sand Dollar sand filter, Polaris 65 vacuum

  7. #7
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    Default Re: Have a small above ground pool, please help

    With out a free chlorine test its hard to tell. I would continue to run at shock levels untill the pool clears. The strong chlorine smell may be because of combined chlorine. I would run the filter as much as posable cleaning the filter as needed. If you have a pool store see if you can get the water tested. While you are there check to see if they have a free chlorine test kit. Back in the spring I found a kit that was tablet based for about $6 for 20 test. You can use the tablet for free chlorine and OTO for total chlorine. I used that method for a month before I got a better test kit.
    Steve

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