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Thread: Cloudy water - What to adjust first?

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    Join Date
    Jun 2013
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    Virginia
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    Cloudy water - What to adjust first?

    I shocked my pool a 2 weeks ago and got rid of green algae, added 6 bags of salt to get back up to @3200 and kept my SWG set at 60%. Chlorine production has been good, but water remains a bit cloudy. My filter cartridge was worn down, so I replaced it with a new cartridge 2 days ago. Water is still a bit cloudy. Below are my updated test results from yesterday:

    Free Chlorine = 5.9 ppm
    Total Chlorine = 6.2
    Combined Chlorine = 0.3
    pH = 8.0
    Hardness = 48
    Alkalinity (w/ stabilizer correction) = 59
    Cyanuric Acid = 23
    Copper = 0
    Iron = 0
    Total Dissolved Solids = Not run

    Pool info: 21,000 gallon Fiberglass / Pentair SWG / Waterway ProClean 200 Cartridge Filter / 2-speed Hayward Pump (0.5/2.0 HP)

    Since the chlorine level appears high, I turned off my SWG yesterday. I realize most of the other chemicals need balancing as well... my question is in what order should I balance these first? And which is most likely causing the slightly cloudy water?

    Normally, I would lower pH first, but if I let the chlorine level come back down a bit.. will that lower the pH on its own?
    Pool info: 21,000 gallon Fiberglass / Pentair SWG / Waterway ProClean 200 Cartridge Filter / 2-speed Hayward Pump (0.5/2.0 HP) / Polaris 360

  2. Back To Top    #2
    techguy's Avatar
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    Jul 2010
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    Antelope, CA
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    Re: Cloudy water - What to adjust first?

    To my knowledge, cloudy is dead algae. Keep filtering and cleaning the filter when the pressure is too high.
    -- Guy --
    10K gallons in 21' Round 52 inch wall Aqualeader AG, Hayward Power Flow LX 1.5 HP pump motor, Hayward Perflex EC50AC DE filter w/Cellulose, Wide mouth skimmer, 2013 new Diver Dan (craigslist) to replace the faded old Hayward AquaBug. TF-100

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    Re: Cloudy water - What to adjust first?

    Welcome!

    If your water is not clear, you are not done with the shock process. Visit pool school and read and follow the How To Do The Shock Process article.
    POOL: Intex ultra new in 2014 (32 x 16 x 52) (seasonal; on concrete pad covered with 1.5" extruded or whatever foam insulation sheets - ugly, but comfy); added a through-wall skimmer; I add salt for feel. EQUIPMENT: Pentair SuperFlo pump (1HP, 2SPD); Pentair cartridge filter (200 sq. ft); Pentair MasterTemp natural gas heater (400,000 btu) Climate/Location: Eastern Nebraska

  4. Back To Top    #4

    Re: Cloudy water - What to adjust first?

    Also, with pH is considered reliable of FC is below 10. So bring yours down before you begin the shock process.

    How are you testing.
    POOL: Intex ultra new in 2014 (32 x 16 x 52) (seasonal; on concrete pad covered with 1.5" extruded or whatever foam insulation sheets - ugly, but comfy); added a through-wall skimmer; I add salt for feel. EQUIPMENT: Pentair SuperFlo pump (1HP, 2SPD); Pentair cartridge filter (200 sq. ft); Pentair MasterTemp natural gas heater (400,000 btu) Climate/Location: Eastern Nebraska

  5. Back To Top    #5

    Re: Cloudy water - What to adjust first?

    Also, CYA should be higher with an swg. But for now, turn it off and manually dose with bleach until the shock process is complete and you pass the three part test set out in the article i referenced above. Then raise your Cya to maintain FC with the swg.
    POOL: Intex ultra new in 2014 (32 x 16 x 52) (seasonal; on concrete pad covered with 1.5" extruded or whatever foam insulation sheets - ugly, but comfy); added a through-wall skimmer; I add salt for feel. EQUIPMENT: Pentair SuperFlo pump (1HP, 2SPD); Pentair cartridge filter (200 sq. ft); Pentair MasterTemp natural gas heater (400,000 btu) Climate/Location: Eastern Nebraska

  6. Back To Top    #6

    Join Date
    Jun 2013
    Location
    Virginia
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    3

    Re: Cloudy water - What to adjust first?

    My local Ace Hardware store has pool supplies and they have a computer to test the water sample. My test strips actually make the pH appear mid-7.5 range, but I assume the computer test showing 8.0 is more correct? We had heavy rain on Friday (6 inches), so I had to drain pool a bit. Not sure if that affected pH. I ran test on Saturday (strips and computer).
    Pool info: 21,000 gallon Fiberglass / Pentair SWG / Waterway ProClean 200 Cartridge Filter / 2-speed Hayward Pump (0.5/2.0 HP) / Polaris 360

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    SkyKid's Avatar
    Join Date
    Apr 2013
    Location
    Upstate South Carolina
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    Re: Cloudy water - What to adjust first?

    Hello and Welcome

    First thing you need is a real test kit like I have

    The TF-100 then when you get it read the instructions and post your numbers for the Pro's here

    Then listen to what they tell you and your pool will be Sparkling Clean in no time

    I went from a very green pool to Sparkling Clean in less than 2 weeks
    14600gal, In-Ground Fiberglass, Haywood s244t Sand Filter, Jandy Apure35 SWG,
    Haywood 2 speed 1hp pump, Haywood Pool Shark, TF-100 Test Kit http://tftestkits.net/
    Pool School http://www.troublefreepool.com/categ...etting_started
    Never been Pool Stored Thanks to TFP

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