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Thread: Levels seem fine but pool water is green.

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    Levels seem fine but pool water is green.

    Hey gang. A couple of days ago it rained and afterwards my pool looked a little cloudy and the water had a green tint. My TA levels were around 140 but everything else seemed pretty fine but I would lose a several ppm's of FC each day to where I was adding a half a gallon of bleach each day. I live in Arizona where it's steadily been 106 degrees and I was thinking that was affecting my FC levels, and then I read in a different thread that if you lose more than ppm of chlorine a day something might be wrong. So I started a SLAM and have been doing it for practically 3 days now and the pool is still cloudy and now a little green. Shallow areas look great and clear but the deep end I can barely see the bottom. I'm also adding about a third a gallon of bleach every hour just to keep my FC at shock levels. I can't figure out what's going on. My levels right now are:

    16000 gallon pool
    FC 24
    CC 0
    PH 7.4
    TA 120
    CYA 60

    I read somewhere else that there might be copper or metal in the water and that's why it's greenish? Would that make the water somewhat cloudy as well? It's not so cloudy that I can't see the drain at the bottom but it's faint. Any help would be greatly appreciated. I've spent a lot of money on a lot of bleach and can't afford it.
    16000 Gallons, Plaster, Sand Filter, Hayward Superpump II.

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    Mod Squad YippeeSkippy's Avatar
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    Re: Levels seem fine but pool water is green.

    My understanding is that if its cloudy its usually algae, but if its a very clear green it is metal.

    How are you testing your water? Some pool stores will test for metals if you ask....?
    My Amazon Smile for November12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
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    Wildcat's Avatar
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    Re: Levels seem fine but pool water is green.

    I live in Tucson. My CYA is 60 and I keep my FC between 6 and 11, never have algae. My TA is 70 due to high CH. PH 7.3-7.5.

    So your numbers do look good, but the FC loss indicates at some point FC may have dropped and algae took over. Have you done an OCLT to confirm that something isn't eating your FC? Brushed the pool and all nooks and crannies, behind pool lights and ladders?
    10000 Gal, IG Pebbletec, pop up cleaners,Hayward EcoStar VS, 425 sq ft Hayward Cartridge, waterfall feature

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    Mod Squad kimkats's Avatar
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    Re: Levels seem fine but pool water is green.

    Cloudy with a tint of green = algae

    a pretty overall green tint but clear = metal

    MOST of the time that is.

    How often have you been testing and adding bleach a day?

    How are you testing?

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Levels seem fine but pool water is green.

    I have a tf-100 test kit. I've been brushing and ruining my barracuda this entire time and don't have ladders or lights to worry about as far as cleaning goes. I just recently unplugged the skimmer to see if a regular circulation of the water would help anything. So the water isn't perfectly clear so it must be algae? Does it normally take this long to SLAM? I feel like I'm pouring a ton of bleach into the pool and not seeing much of a difference.
    16000 Gallons, Plaster, Sand Filter, Hayward Superpump II.

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    Levels seem fine but pool water is green.

    If you have algae, yes a SLAM can take a while. You will use a lot more bleach in the beginning. My SLAM took 10 days.

    Keep asking questions. Brush, brush, brush your pool and as often as you can, add bleach and keep it up to SLAM level.


    Lisa P.
    26,000 IG, pebble tec, flagstone, pentair Triton II TR100 sand filter & VS+SVRS 3hp multi-speed pump, Intellichlor IC-40 SWG, Pentair Booster Cleaner, spillover spa, waterfall, Taylor K-2006 testkit
    [It is better to know how to learn, than to know. - Dr. Seuss[/I]

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    Re: Levels seem fine but pool water is green.

    Does it normally take this long to SLAM? I feel like I'm pouring a ton of bleach into the pool and not seeing much of a difference.
    Yes, it does.....and you are pouring in a ton of bleach and you are getting results (the chlorine is killing that algae).....you just can't see those results - yet.

    You are doing a great job of keeping the FC up so don't let that slip. At some point in the future the chlorine demand will loosen and your water will turn to greyish-green then hazy blue and finally crystal clear. Some pools take longer than others but you are doing just fine....don't give up on the chlorine......it works!
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
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    Re: Levels seem fine but pool water is green.

    while you wait it wouldn't hurt to check the date code on the liq chlorine.
    10,500 gal IG, Topaz Pebble, auto-level
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    Re: Levels seem fine but pool water is green.

    Quote Originally Posted by Pogueld View Post
    If you have algae, yes a SLAM can take a while. You will use a lot more bleach in the beginning. My SLAM took 10 days.

    Keep asking questions. Brush, brush, brush your pool and as often as you can, add bleach and keep it up to SLAM level.


    Lisa P.
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    10 days! Is this bleach/slam method really the best way?
    16000 Gallons, Plaster, Sand Filter, Hayward Superpump II.

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    Levels seem fine but pool water is green.

    Yes!!! It is. I had an algae outbreak last summer for the first time in our pool. The pool was 3 years old. We tried algaecides, shock, etc. Two diffident pool stores, two different suggestions. I had lurked on this forum and learned a little, but one pool store sold us a product called Silvertrine. It's about $40 a bottle. It worked, but I would have to add it every week. I spent well over $400 in two months from pool store advice. I had ordered the test kit, but since the Silvertrine worked, I just didn't worry about it. Who knows what we were swimming in!

    Water was clear over the winter so I still didn't worry. Spring came -ALGAE! and this time worse. I resorted to Silvertrine, but it just came back too quickly. I decided enough was enough and I wanted to control my pool. I learned SOOOO much about my pool. I am a true member of the pool school geek club. And I am the QUEEN of my pool!! I know more about how the equipment works, the chemistry, the safety, etc. It was worth it and I spent way less $$$ than last summer. I'm still learning and adjusting and figuring out my pool's personality. Here is a visual of my pool's progress. It is very worth it. .


    Lisa P.
    26,000 IG, pebble tec, flagstone, pentair Triton II TR100 sand filter & VS+SVRS 3hp multi-speed pump, Intellichlor IC-40 SWG, Pentair Booster Cleaner, spillover spa, waterfall, Taylor K-2006 testkit
    [It is better to know how to learn, than to know. - Dr. Seuss[/I]

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    Mod Squad kimkats's Avatar
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    Re: Levels seem fine but pool water is green.

    TFP and SLAM are the best for clearing and STAYING clear in the long run! This will work. It is NOT fun right now BUT it will work!

    Do something for me........take a pic of your pool looking down at the steps or something in the pool. I want you to post that pic and take one every day and post it. THAT will help you see the progress day by day. It is hard to see with the naked eye. The pics will help.

    HUGS! It does work!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Levels seem fine but pool water is green.

    Yes! Kim gives excellent advice about the pictures! They give you small victories!


    Lisa P.
    26,000 IG, pebble tec, flagstone, pentair Triton II TR100 sand filter & VS+SVRS 3hp multi-speed pump, Intellichlor IC-40 SWG, Pentair Booster Cleaner, spillover spa, waterfall, Taylor K-2006 testkit
    [It is better to know how to learn, than to know. - Dr. Seuss[/I]

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    Re: Levels seem fine but pool water is green.

    image.jpgI've got this one photo. You can see the steps in the distance. At work and I'll take better ones when I get home. Thanks for being encouraging. This seems so daunting but I'll just have faith in the process and see where it takes me.

    edit: sorry about sideways photo. Posted from my phone.
    16000 Gallons, Plaster, Sand Filter, Hayward Superpump II.

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    Mod Squad pooldv's Avatar
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    Re: Levels seem fine but pool water is green.

    Nice pool! That isn't so bad, a SLAM should clear that up pretty quickly. Keep your FC just under shock level and swim-n-slam. That is what we did a few weeks ago. It is safe to swim when FC is above minimum and below shock level for your CYA, Chlorine CYA Chart.
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    Re: Levels seem fine but pool water is green.

    Aright, I don't know what happened overnight but all the green is gone in my pool. It's amazing. Looking clearer but not crystal clear so I'll keep at it. This SLAM stuff TFP way is remarkable. Here's a picture of my steps and the pool now.
    IMG_7590.jpg
    16000 Gallons, Plaster, Sand Filter, Hayward Superpump II.

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    Re: Levels seem fine but pool water is green.

    Keep SLAMing and brush the pool daily, especially the deep end.
    I'd bet you my bikini you'll never get TFP water from a pool store!

    24' Sharkline Venture De Filter

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    Mod Squad kimkats's Avatar
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    Re: Levels seem fine but pool water is green.

    OH yeah! Another one one goes clear! SWEET!

    Do like Casey says and you will be able to read the heads/tails on a coin in the deep end!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Levels seem fine but pool water is green.

    Going to keep at it. At this point is there any knowing how much more SLAM'ing I need to do? What indicates I can quit and stop running the pump 24/7?
    16000 Gallons, Plaster, Sand Filter, Hayward Superpump II.

  19. Back To Top    #19
    Mod Squad kimkats's Avatar
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    Re: Levels seem fine but pool water is green.

    When you PASS these three items!

    -CLEAR pool-No dust on the floor, clear as a bell
    -OCLT Pool School - Perform the Overnight FC Loss Test (OCLT)
    -cc is less that .5

    Once you get ALL three at the same time LOL you are DONE!

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Re: Levels seem fine but pool water is green.

    Lookin' good! Don't stop too soon!

    Be sure to pass all three tests!


    Lisa P.
    26,000 IG, pebble tec, flagstone, pentair Triton II TR100 sand filter & VS+SVRS 3hp multi-speed pump, Intellichlor IC-40 SWG, Pentair Booster Cleaner, spillover spa, waterfall, Taylor K-2006 testkit
    [It is better to know how to learn, than to know. - Dr. Seuss[/I]

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