Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 8 of 8

Thread: HELP!! My Pool is Green

  1. Back To Top    #1

    Join Date
    Jun 2014
    Location
    Centennial, CO
    Posts
    8

    HELP!! My Pool is Green

    I finally got my new pool set up this past week end. A 12 x 24 x 52 Intex ultra frame with a Hayward S210T sand filter w/ 1 1/2 hp pump filled with 100 lbs of eco sand and 224 sq ft of solar panels on the roof.
    Everything appeared normal. The pool was filled the previous week end but no plumbing was finished until this past week end.
    As soon as I turned on the pump (9 p.m. Sunday night after working all week end installing solar and plumbing) to check for leaks the water turned from clear to cloudy. I could no longer see the bottom of the pool.
    I have backwashed and rinsed three times now to no avail. This morning the water has changed from murky to green.
    Any suggestions of what to do?
    Is it normal with sand filters for the water to do that? I am new to them. Should I not have used the eco sand?
    Am I going to have to drain everything and start over?
    Any help would be greatly appreciated.
    Intex 12x24x52, Hayward S210T sand filter pump, Solar panels on roof. Lots of work for a 65 year old!

  2. Back To Top    #2
    Charlie_R's Avatar
    Join Date
    May 2013
    Location
    Mexico, MO
    Posts
    2,156

    Re: HELP!! My Pool is Green



    I see no mention of you having added any chlorine or stabilizer to your pool. A little more info along with test results and where you got them would go a long way for us being able to help.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

  3. Back To Top    #3
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: HELP!! My Pool is Green

    I see two problems.
    1) You probably didn't rinse the sand before setting the filter to filter. So all the dust shot into the pool instead of out the waste port.
    2) You went a week without chlorine.

    Number one can be cured with time and filtering.
    Number two will require the Shock Level And Maintain process. And to do that, you need a proper test kit. 8400 gallons is a lot of water to waste by draining, and when you refill it, you'll still need a test kit.

    In brief, you test your water. You adjust pH. You establish the CYA level. And then you raise the chlorine level to shock level for that CYA level and keep it up there through frequent additions untils the water clears up.

    What have you added to the pool so far, if anything? Do you have a test kit of any sort?
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  4. Back To Top    #4

    Join Date
    Jun 2014
    Location
    Centennial, CO
    Posts
    8

    Re: HELP!! My Pool is Green

    Thanks for the reply.
    You are correct. I didn't rinse before I filtered. Guess I didn't read the directions good enough.
    So far I have added shock treatment from HTH that I bought at Walmart. I also have the HTH test kit but probably need a better one.
    I will have to read up on the SLAM method. Also the sand I used was the Zeo Clear. Do I need to add gravel to the bottom of the filter? I read somewhere that I have to.
    Intex 12x24x52, Hayward S210T sand filter pump, Solar panels on roof. Lots of work for a 65 year old!

  5. Back To Top    #5
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: HELP!! My Pool is Green

    See if you can't read the bag and tell us what kind of "shock" that was. I can think of five different chemicals they call "shock." If it's Cal-hypo, that could be part of your problem. If the pH is high and the TA is high, that blast of Calcium will make it cloud up.

    I can't help you with the sand... I use a DE filter.

    Go ahead and run whatever tests you can run and post the results. That test kit really isn't adequate for the SLAM, since it can't read high enough FC levels, but it will certainly help with the pH.

    So: what was the shock you added, and test results.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

  6. Back To Top    #6

    Join Date
    Jun 2014
    Location
    Centennial, CO
    Posts
    8

    Re: HELP!! My Pool is Green

    I will try and post the results later. I am at work now. If I'm not mistaken it was Calcium hypochlorite, I will have to check. The pH was 7.5. I haven't checked the TA.
    Intex 12x24x52, Hayward S210T sand filter pump, Solar panels on roof. Lots of work for a 65 year old!

  7. Back To Top    #7

    Join Date
    Jun 2014
    Location
    Centennial, CO
    Posts
    8

    Re: HELP!! My Pool is Green

    The shock I used is HTH brand called select shock. It is calcium hypochlorite.
    I have to order the better test kit but right now my readings are: pH is 7.2 FC is approx. 3 TA is 60 and CYA is 0. I am off to the store for some stabilizer so that I can add more chlorine but the pool is starting to look better. I can almost see the bottom now.
    Intex 12x24x52, Hayward S210T sand filter pump, Solar panels on roof. Lots of work for a 65 year old!

  8. Back To Top    #8
    Richard320's Avatar
    Join Date
    Jan 2010
    Location
    San Dimas, CA (LA County)
    Posts
    18,768

    Re: HELP!! My Pool is Green

    Quote Originally Posted by Tinks Papa View Post
    The shock I used is HTH brand called select shock. It is calcium hypochlorite.
    I have to order the better test kit but right now my readings are: pH is 7.2 FC is approx. 3 TA is 60 and CYA is 0. I am off to the store for some stabilizer so that I can add more chlorine but the pool is starting to look better. I can almost see the bottom now.
    Excellent!
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •