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Thread: cloudy darkish water

  1. #1
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    Default cloudy darkish water

    Hope I'm posting in right place.
    Chlorine-6
    TA-80
    CH-300
    Ph-7.6

    Those are my chemical readings and I use the taylor kit to test , but my water is still cloudy not green, but darkish green . Combined chlorine came out as 0. The pool is inground and gunite. Filtering 2 to 3 hours and vacuuming 2 hours. Filter works fine and backwashing regularly. Any ideas please to clear up the water. Are ta and ch ok? Thinking about throwing I som flock but not sure it would help. Thanks in advance.
    Last edited by fhorta; 06-18-2014 at 10:25 PM. Reason: spelling

  2. #2
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    Default Re: cloudy darkish water

    ... my water is still cloudy not green, but darkish green ...
    Would you please clarify the look of the water?

    TA and CH are fine. I would avoid the temptation to floc.

    We'll need the CYA level to know if FC is OK. Which Taylor kit are you using? We recommend the K-2006 or K-2006C - you can't get it in a store but you can find it through this page: http://pool9.net/tk/.

    Tell us more about the pool: Number and type of drains and returns, size and type of filter and pump. How you chlorinate. List everything you've put in the pool for the last month or two: chemical names not "shock".
    12'x24' oval 7.7K gal AG vinyl pool; ; Hayward S270T sand filter; Hayward EcoStar SP3400VSP pump; hrs; K-2006; PF:16

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    Default Re: cloudy darkish water

    Pool size about 24k galons. Filter is sand sta rite. Pump is a sta rite. I been chlorinating with super chlo (67% calcium hypochlorite) . I threw in 5 pounds of ...sodium bicarbonate last week but it was to raise TA from 60 to what is now at 80. The cya reading is between 45 and 50. Temperature in this area is around mid 90's. The tYlor kit is the k2006. The look of the water is ..I guess plain green though no signs of algae. Thanks. Oh, I been running filter and vacuum 24/7 since last night but can only run one or the other since only have one skimmer. I do have a drain but I mainly use skimmer. I will set pump to draw from drain and skimmer see if it helps.

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    Pappy is offline PF Supporter Widget Weaver Pappy 0
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    Default Re: cloudy darkish water

    PoolDoc recommends running the filter 24/7 when trying to clear a pool. Green tinted water with 0 combined chlorine is usually an indication of metals in the water. Do you fill with a well or city water? Have you added any algaecide lately? Is there copper in your "Super Chlo"?

    You might want to do a DE test on your filter
    http://pool9.net/de-test/

    Some of the Walmarts around here carry 10 lbs. HTH D.E. Filter Aid
    http://www.walmart.com/ip/HTH-D.E-Fi...10-lb/20434370
    The picture is wrong, the description is accurate.

    Pappy
    Intex 15ftx4ft 4500 gal. 3/4 HP Pentair WhisperFlo pump. Hayward 21" sand filter. Taylor K-2006 & K-1106 kits. PF=27

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    Default Re: cloudy darkish water

    I fill with well water. But pool only gets like this during this time of year. Other times water is clear. What do you mean by algaecide and what does that do? If metals is my problem, what can be done. I think one of the previous times I had this problem I was told by a leslies sales rep to throw in some liquid to clear metals but it didn't work. Is there a way to test for metals? The round chart that comes with the kit indicates that saturation is 0.1, which means no solids floating in water, correct?

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    Default Re: cloudy darkish water

    Ok, so I've come to tbe conclusion that the color of the water is not " a tint green" since that would mean that the water is clear but green. The water in my pool is not clear. The deepest you can see is probably 2 feet. Cant see the bottom at all. Hope this helps. Thanks.
    Last edited by Watermom; 06-20-2014 at 04:25 PM. Reason: fix typo

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    Default Re: cloudy darkish water

    Cloudy and green is algae. You need to raise your chlorine up to shock level to kill the algae. Shock level is based on your CYA reading. Please see this chart for more about the relationship between CYA and chlorine:> http://pool9.net/cl-cya/

    You want to keep your chlorine at that high level until:

    1) You can go from sundown one evening to within an hour of sunrise the next morning without losing more than 1ppm of chlorine
    AND
    2) You have no more than 0.5ppm of CC

    At that point, we generally recommend that you maintain the high chlorine for one more day for added insurance and then let it drift down but always keep it between the minimum and maximum needed levels per the chart above.

    HOWEVER, since you fill from a well, it would probably be a good idea if you do a bucket test to check for metals before you shock the pool. Directions to do so are here:> http://www.poolforum.com/pf2/showthr...est-for-metals

    Let us know the results of your bucket test and then we'll help you proceed. Keep your pump running 24/7 while you are trying to clear the pool and backwash your filter as needed.

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    Default Re: cloudy darkish water

    I just don't understand the growth of algae if chlorine always @ 6 or more and cya not over 50, with pump circulating 6 to 7 hours. Its like your getting algae no matter what. Thanks, ill do the bucket test.

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    Default Re: cloudy darkish water

    Have you kept your chlorine at shock level for a period of time until the algae is dead? If not, then that is why you continue to have algae. With a CYA of 50ppm, your shock level will be about 15ppm to kill it.

    But, do the bucket test first before shocking the pool.

  10. #10
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    Default Re: cloudy darkish water

    Sorry, been out for a while. I have not done the bucket test yet, but this is whta has happenned. I thre in some potassium peroxymonosulfate (fresh n clear) 3 lbs and water cleared within a day and a night. Stayed clear for about 3 days and now greenish again. All other values are same, chlorine at 6ppm. Anyway, I am being told that problem is sand filter cus it doesn't filter small microns and that instead of using diatomaceuous earth I need to use cellulose fiber, a de altenative because it filters smaller microns...any comments on this??

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