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Thread: Ground water ran into my pool...

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    Ground water ran into my pool...

    We had a very hard rain night before last. When I came outside yesterday I found my pool cloudy and full of sand and dirt. It had been so clear before that. The water ran from the ground over my cement into the pool. My builder told me to just let the pump and dolphin do its job. I've ran the pump on high ever since and have been cleaning the dolphin and putting it going over and over. The water is still cloudy looking today. I'm worried about my filter, can it handle filtering that much dirt without messing the filters up? The dolphin filters are caked with mud when I clean them off. I'm open to any advice! This was along the shallow end but it looked like this everywhere.


    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    pwrstrk's Avatar
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    Ground water ran into my pool...

    I think your doing the right things so far. It's going to take sometime to get it cleaned up. Clean your filter when pressure rises 20-25% of the clean pressure. That's important !

    Also keep an eye on your FC level and CC to see if anything could be consuming chlorine. If You can post a set of test results that'll help us help you out also.

    Somebody else may chime in with some more advice.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    Thanks for the reply. My filter gauge is broken, pool builder said he would replace it but hasn't yet. I ended up just ordering one last week. It should be in early this week. My fc dropped to 0.5 when I tested this morning. My cc was 0. My salt generator is also not working, he told me he is replacing that too....this has been not working right for a while now. I'm doing bleach until he replaces it. If things could go wrong they have with this pool. At least everything is still under warranty. I'm reading up on the slamming process now. The water looks much worse this afternoon but I also brushed all the walls and floor after the dolphin ran the first time to try to get the filter to clean it...so that could be causing the cloudiness.
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Ground water ran into my pool...

    The very low FC level is contributing to the cloudiness also. You need to get the FC level in range for your CYA level. Test your CYA level and adjust FC for it before other problems start. Might be good idea to bring it up to SLAM level. Zero CC's is good sign. What is your water temp ?

    Since pressure gauge is not working I would clean your filter now.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    I'm going test the cya. The water temp has been in the upper 50s all last week but we have had some warmer days and it's at 64 degrees now. Thanks again for the help.
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Re: Ground water ran into my pool...

    Algae is more likely to start with water temps above 60, just keep that in mind also.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    I tested water again this morning. It's still kind of green looking and when I brush a lot of dirt still comes up. These are my test results today. Ph 7.5, fc 7, cc.5, this barely got a hint of color when I added the drop and went back clear with one drop of the other solution. TA was 130, so what I need to do is add acid to lower my ph to 7.2 right? Cya was 20. Should I wait to add more of the stabilizer until I finish with this dirt and get the pool back clear? I don't want to wash it all out the filters when I clean them again.
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Re: Ground water ran into my pool...

    Here's a photo of the pool this morning.



    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    pwrstrk's Avatar
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    Ground water ran into my pool...

    I'm going to suggest SLAMMING it. Your CYA is in a good place for Slamming. Make sure you follow the directions to the T. I know your pressure gauge is broken. When do you think the new one will arrive ?
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    Ok thank you, I will start. This is my first time to slam it so I may have more questions! It should hopefully be delivered early this week. The tracking said any time from Monday-Wednesday.
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Re: Ground water ran into my pool...

    You'll just have stay on top of cleaning your filter.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    Since my swg is also not working correctly should I use the slam figures for the non swg pools? If so I need to get my FC to 10 right?


    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Re: Ground water ran into my pool...

    Yes use the SLAM level for non SWG pool. SLAM level is 10. You can go a tick or two higher.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    Ok how often should I check the water? Is every 2-3 hours ok? And if the fc drops I just keep adding bleach to keep it at 10 or a little higher correct?
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    pwrstrk's Avatar
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    Ground water ran into my pool...

    If you could test every hour in the beginning that would be great. The longer you maintain SLAM level the quicker it will go. When it falls below SLAM level bring it back up. Test as often as you can.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    Ok I can test every hour. Thank you for all of the help.


    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Re: Ground water ran into my pool...

    Ok keep us posted.
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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    Re: Ground water ran into my pool...

    It's been a little over 3 hours and the fc is staying at 11.5 and cc 0.5.
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    Re: Ground water ran into my pool...

    We had to drain the pool about two months ago because a piece of plastic was not seen under the liner when he installed it this past September causing two small holes, so he drained the pool and patched it underneath. When we refilled he had to put stuff in it to get rid of metals. The color then looks similar to how it looks now. Could I have gotten metals again from the ground water that ran in the other night?
    Installed in September, 2013 18x36 (28,000 gallons) lagoon shaped, vinyl pool, with steel walls. Pentair intelliflo variable speed pump, intellichlor salt generator, pentair cartridge filter CCP320

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    pwrstrk's Avatar
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    Re: Ground water ran into my pool...

    I was thinking that myself by the color. It looks to me to be a clear green by the pic's. Am I wrong ? Keep up with the SLAM and see how it turns out. Has the water changed colors at all ?
    Jeff
    24'x54" AG Morada RTR (by wilbar) 13'500 gal. Hayward Powerflo Matrix 1hp 2 speed. Hayward Perflex EC65 DE filter.

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