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Thread: cloudy water after adding soda ash

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    cloudy water after adding soda ash

    Crystal clear water yesterday. pH was 7.2 and wanted to raise it. Added soda ash, possibly a bit too much. Water got cloudy immediately and did not clear up overnight or yet today with pump running.

    Current test numbers:

    FC: 6.5
    CC: 0.5
    pH: 7.8-8.2 (somewhere in the middle)
    CH: 275
    TA: 90
    CYA: 80ish

    I'm thinking the numbers all look ok. Did I possibly raise the pH too much causing cloudy water? I can't see the bottom of the pool, even in shallow end.

    Thoughts?
    30k gal IG vinyl
    TF-100 test kit

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    Mod Squad jblizzle's Avatar
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    Re: cloudy water after adding soda ash

    I think the water got cloudy due to adding too much of the soda ash. Now the pH is too high.

    Did you use PoolMath to calculate how much to add? I would have left the pH at 7.2 as it tends to rise on its own anyway.
    Jason, TFP Moderator
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    wjaneala's Avatar
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    Re: cloudy water after adding soda ash

    Quote Originally Posted by act View Post
    Crystal clear water yesterday. pH was 7.2 and wanted to raise it. Added soda ash, possibly a bit too much. Water got cloudy immediately and did not clear up overnight or yet today with pump running.

    Current test numbers:

    FC: 6.5
    CC: 0.5
    pH: 7.8-8.2 (somewhere in the middle)
    CH: 275
    TA: 90
    CYA: 80ish

    I'm thinking the numbers all look ok. Did I possibly raise the pH too much causing cloudy water? I can't see the bottom of the pool, even in shallow end.

    Thoughts?
    This exact thing happened to me last week, but I had added washing soda. No worries. Mine was crystal clear again after 3-4 days.
    Wendy
    1980s 20x40 in-ground beast, 36K gallons, 4' - 8', vinyl liner, Sand Dollar sand filter, two skimmers, bottom drain, three returns
    TF-100 Test Kit

  4. Back To Top    #4

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    Re: cloudy water after adding soda ash

    CYA is kinda high. You may want to consider taking steps to bring that down. Your FC is hanging either on the edge or low for that CYA level too. Especially, if the error of the cya is more like 90...
    ~19k Gal, IG Vinyl, Hayward SP2607X10 1hp pump, Hayward S200 Sand Filter, built in 70s, has 8 deep end with diving board, 1 skimmer, 1 return, 1 low hole, Polaris booster pump PB4-60, old Polaris robot not sure model, Rheem P-M266A-EN-C 266,000 BTU heater, solar cover, Taylor K-2006 test kit, Speedstir

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