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Thread: mess after vacation

  1. #1
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    Default mess after vacation

    We have a 23,500 gal in ground vinyl pool, Chlorine
    WOW...its been two weeks now and I still don't have it fixed. I left the pump on low while we were gone for a week and it was a mess when we returned...cloudy, yellowish, couldn't see bottom in 8' end, chlorine dropped to 0. We got a good bit of rain and I guess the water was pretty warm too. Anyway....After shocking it was still quite a mess. Chlorine level is good now, but I am fighting with the PH and Alkalinity. The alkalinity was at 200...after aerating with the jets for 2 weeks it is down to 150. During that 2 weeks I added 32 oz of algae treatment because it looks like there might be algae in the water, though there is none on the walls. The PH was up so I have gradually been adding acid to bring it down. It was 7.8 today and I added about a pint of acid. I will check it again in a while. All that being said....I have a PH of 7.8 and Alkalinity of 150. I can see the bottom, but it is still cloudy and the color is not pretty blue like it should be. Any help appreciated.
    PF=5; 23K gal IG kidney vinyl pool, Triton II Sand Filter, Whisperflow VS Pump, Taylor 2006 kit, Jacuzzi/Carvin Saniclear 40 SWCG

  2. #2
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    Default Re: mess after vacation

    We will need a full set of current water testing results to be able to help. Test strips don't count. Hopefully you have a Taylor K2006 kit (the one we think everyone should have). If not, you should do yourself a favor and get one. You won't be able to find it locally but can get it through this link:> http://pool9.net/tk/

    Don't add any more algae treatment. Typically, they hurt more than they help.

    What kind of filter do you have?

  3. #3
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    Default Re: mess after vacation

    I just have the generic test kit from home depot. I guess I need to order the other. We have a sand filter...triton II. I'm good as long as it's pretty, but when it isn't it drives me CRAZY! I didn't know that about the algae treatment...how do you get rid of it if you have it?
    PF=5; 23K gal IG kidney vinyl pool, Triton II Sand Filter, Whisperflow VS Pump, Taylor 2006 kit, Jacuzzi/Carvin Saniclear 40 SWCG

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    Default Re: mess after vacation

    Nothing you can really do about the algaecide.

    What all can your kit test? Is it an OTO/Phenol Red kit (yellow and red drops)?

  5. #5
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    Default Re: mess after vacation

    Chlorine, yellow; PH, red; blue for alkalinity, clear for counting drops acid demand; and a bottle for chlorine neutralizer
    PF=5; 23K gal IG kidney vinyl pool, Triton II Sand Filter, Whisperflow VS Pump, Taylor 2006 kit, Jacuzzi/Carvin Saniclear 40 SWCG

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    Watermom's Avatar
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    Default Re: mess after vacation

    We really need to know your CYA level. How much chlorine is needed in a pool is based on that reading. (More about the CYA/Chlorine relationship can be found here:> http://pool9.net/cl-cya/ )If you can order the kit I mentioned above, it will help you clear it up much more easily and also make normal routine maintenance easier as well.

    In the meantime, try and keep your chlorine at around 15ppm. (In reality, 15ppm may not actually be high enough to kill the algae and clear it up but without knowing your CYA, it is as high as I can recommend for now.) Your OTO kit won't read chlorine levels that high but you can use the chart at this link to get approximate readings of off the scale colors:> http://pool9.net/oto-chart/

    In a pool this size, each of the 121-oz jugs of Walmart's generic 8.25% bleach will add about 3 ppm of chlorine. Each evening when you test, add enough bleach to get the chlorine back up to around 15ppm.

    Run the pump while you are trying to clear this up and backwash the filter as needed.

  7. #7
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    Default Re: mess after vacation

    Taylor k2006 kit is on the way. In the mean time I will try to get the chlorine up to the level you suggested. Will be back in touch ....thank you for sharing your knowledge.
    PF=5; 23K gal IG kidney vinyl pool, Triton II Sand Filter, Whisperflow VS Pump, Taylor 2006 kit, Jacuzzi/Carvin Saniclear 40 SWCG

  8. #8
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    Default Re: mess after vacation

    You are welcome. Keep us posted how things are going. Good decision to order the kit. Here are some testing demo videos that may be helpful:> http://pool9.net/K2006-vid/

  9. #9
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    Default Re: mess after vacation

    Got my kit....now I have to read and make sure I test correctly. I did test the CYA and I believe it is 30 ppm, the Alkalinity is 140, the PH is 7.6, Not sure I did the chlorine correctly. Free Chlorine .24 and combined .48 . Does that sound correct? I might need to redo that tomorrow. The pool is 23,000 gal. Sand filter. 3 ft. to 8 ft. The water looks much better, but is still a little yellowish. Not pretty blue like it should be.
    PF=5; 23K gal IG kidney vinyl pool, Triton II Sand Filter, Whisperflow VS Pump, Taylor 2006 kit, Jacuzzi/Carvin Saniclear 40 SWCG

  10. #10
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    Default Re: mess after vacation

    Nope on the chlorine testing. Did you use the 25ml sample? If so, you multiply the number of drops by 0.2. I think you might have multiplied by 0.02. If so, your results would be FC 2.4 and CC 4.8. Did you watch the testing videos that WaterMom suggested?

    Next time, use a 10ml sample and multiply the number of drops by 0.5.

    In the meantime, do you have bleach and muriatic acid (MA) on hand? If so, what is the concentration of each?
    Last edited by FormerBromineUser; 09-30-2014 at 10:12 PM.
    26K gal 20x40 rectangular IG vinyl pool; Apr 2014: New pump, liner, auto-cover, & water; Pentair Whisperflo 1HP pump; Pentair Trition sand filter; Cover/Star CS-500 auto cover; Taylor K-2006C; OTO

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