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Thread: Perfect Water Analysis, but still cloudy and light green?

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    Perfect Water Analysis, but still cloudy and light green?

    Our pool was green after the pool was opened and not treated for a couple of weeks. Starting last week, I began treating my water (liquid chlorine shocking etc) and running the filter 24/7. Today, I took a sample to a local company for testing and received the following results....

    Free Chlorine - 3
    Total Chlorine - 3
    Total Alkalinity - 100
    PH - 7.4
    Calcium Hardness - 250
    Stabilizer (CYA) - 35

    These results are pretty much perfect, however, my water is currently cloudy and there is a very light green tint! Should I be more patient or do you think I need to shock my pool again? The pool company recommended shocking tonight and then applying clarifier tommorrow and running the fitler on circulate for 12 hours.

    Thanks in advance
    20,000 Gallons Inground Vinyl Pool, 1 skimmer, 1 floor drain, 4 return jets, 1 vacuum intake
    Hayward Vari-Flo XL sand filter (SM2506T), Hayward EZ Flow Pump (SP-3107X10), Emerson Pump Motor (EB228), Hayward Comfortzone NG Heater, Hayward Chlorinator (CL220)

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    Mod Squad JohnT's Avatar
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    Re: Perfect Water Analysis, but still cloudy and light green?

    You need to raise your chlorine level if you want to clear the pool. At 35ppm CYA, you are running your chlorine very near the minimum level to prevent algae, but you aren't close the level needed to get rid of it. Here are some article that will help you through the process:

    Shocking Your Pool

    Turning Your Green Swamp Back into a Sparkling Oasis

    Defeating Algae

    Chlorine CYA Chart
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

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    Re: Perfect Water Analysis, but still cloudy and light green?

    Thanks, John. I've read through all the posts and now have enough chlorine to keep on top of the shocking process. I just had my water tested, and here are the results...

    Free Chlorine - 5
    Total Chlorine - 6
    Total Alkalinity - 90
    PH - 7.8
    Calcium Hardness - 230
    Stabilizer (CYA) - 10

    The best guess chart stops at 20ppm for CYA so I'm wondering if I should bump up the stabilizer while shocking today?
    20,000 Gallons Inground Vinyl Pool, 1 skimmer, 1 floor drain, 4 return jets, 1 vacuum intake
    Hayward Vari-Flo XL sand filter (SM2506T), Hayward EZ Flow Pump (SP-3107X10), Emerson Pump Motor (EB228), Hayward Comfortzone NG Heater, Hayward Chlorinator (CL220)

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    svenpup's Avatar
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    Re: Perfect Water Analysis, but still cloudy and light green?

    The CYA didn't just disappear. If you really want to get your pool under control you should get a good test kit and stop relying on the pool store to test for you. I have seen too many posts here of people steered down a bad (expensive) path because of inaccurate pool store testing.
    TFP Method Advanced Intermediate
    • 17,500 gallons - In Ground - Plaster - Hayward Swimclear 3020 Cartridge Filter - Sta-Rite Max-E-Glas Main Pump upgraded with A.O. Smith B2980 E-Plus New Centurion Two-Speed Motor - Polaris 280 Cleaner with Polaris PB4-60 Booster Pump - TightWatt2 Timer - Taylor K-2006 Test Kit - Pool Pilot Digital Nano SWCG

    Helpful Links: Pool School, BBB for Beginners, How to Shock (hint...it's a process not a product), Chlorine/CYA Chart, Jason's Pool Calculator

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    Re: Perfect Water Analysis, but still cloudy and light green?

    Backwash the sand filter, add a filter aid fiber or DE and clarifier, switch your suction from skimmers to main drain and circulate for 12-24 hours.
    http://www.californiapoolsdirect.com serving Dallas pools since 1953!

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    dmanb2b's Avatar
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    Re: Perfect Water Analysis, but still cloudy and light green?

    what Mr Ed said...and it wouldn;t hurt to keep your water at shock level until it clears.
    24'x52" AGP (13,500 Gallons), Intex SWG, (2)Solar Bear 4x20 panels, Hayward S220T Filter, 1/2hp Pentair Superflo

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    Re: Perfect Water Analysis, but still cloudy and light green?

    Well, during the shocking process the water has gone from green to light green and finally it's looking blue today! It looks like the chlorine is taking care of business, but the water is still cloudy. That said, I can see furthur down into my deeep end compared to earlier as I'd estimate that I can see down 2/3 of the way in the 14 foot deep end.

    Quote Originally Posted by Mr. Ed
    Backwash the sand filter, add a filter aid fiber or DE and clarifier, switch your suction from skimmers to main drain and circulate for 12-24 hours.
    Thanks, Mr Ed. However, I'm not sure what the the second part means after the backwash step. You said to either...

    1) add a filter aid fiber (what is this?)
    or
    2) add DE and clarifier (what is DE?)

    Also, even though I can't see my deep end because of the cloudiness, I know there are a lot of leaves at the bottom which is why the main drain has been off this entire time (I'm waiting until it clears more before I vacuum these). However, I've been circulating my water the entire time using the skimmer 24/7 so would the skimmer be good enough for this step?


    Quote Originally Posted by dmanb2b
    what Mr Ed said...and it wouldn;t hurt to keep your water at shock level until it clears.
    I'm hoping that shocking will eventually allow me to achieve clear water so that I can then vacuum all the leaves/twigs etc sitting at the bottom. Does the clearing up of the cloudy water happen at somepoint during the shocking process or do I have stop shocking first to allow the water to go from cloudy to clear.
    20,000 Gallons Inground Vinyl Pool, 1 skimmer, 1 floor drain, 4 return jets, 1 vacuum intake
    Hayward Vari-Flo XL sand filter (SM2506T), Hayward EZ Flow Pump (SP-3107X10), Emerson Pump Motor (EB228), Hayward Comfortzone NG Heater, Hayward Chlorinator (CL220)

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    Re: Perfect Water Analysis, but still cloudy and light green?

    Quote Originally Posted by cipher
    Well, during the shocking process the water has gone from green to light green and finally it's looking blue today! It looks like the chlorine is taking care of business, but the water is still cloudy. That said, I can see furthur down into my deeep end compared to earlier as I'd estimate that I can see down 2/3 of the way in the 14 foot deep end.

    Quote Originally Posted by Mr. Ed
    Backwash the sand filter, add a filter aid fiber or DE and clarifier, switch your suction from skimmers to main drain and circulate for 12-24 hours.
    Thanks, Mr Ed. However, I'm not sure what the the second part means after the backwash step. You said to either...

    1) add a filter aid fiber (what is this?)
    or
    2) add DE and clarifier (what is DE?)

    Also, even though I can't see my deep end because of the cloudiness, I know there are a lot of leaves at the bottom which is why the main drain has been off this entire time (I'm waiting until it clears more before I vacuum these). However, I've been circulating my water the entire time using the skimmer 24/7 so would the skimmer be good enough for this step?


    Quote Originally Posted by dmanb2b
    what Mr Ed said...and it wouldn;t hurt to keep your water at shock level until it clears.
    I'm hoping that shocking will eventually allow me to achieve clear water so that I can then vacuum all the leaves/twigs etc sitting at the bottom. Does the clearing up of the cloudy water happen at somepoint during the shocking process or do I have stop shocking first to allow the water to go from cloudy to clear.
    You should really consider getting the leaves and debris out now vs. Later .....I know this is difficult given that you can't see them but they are fueling the issue at hand.

    Filter aids are labeled just that. There are many of them on the market ....a sufficient search of sand filter aid should yield good results. Dietamaceuos earth = de. It is typically used in a different type of filter but can provide useful in clearing up sand filers pools.

    Hope that helps!
    http://www.californiapoolsdirect.com serving Dallas pools since 1953!

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    Re: Perfect Water Analysis, but still cloudy and light green?

    I will add that yes your skimmer will work fine, but take longer as it is only skimming the surface of the water....where main drain would pull the body of water much more quickly through the filter
    http://www.californiapoolsdirect.com serving Dallas pools since 1953!

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