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Thread: Cloudy blue water and brownish stiff again . . .

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    Join Date
    Oct 2011
    Location
    Mebane, NC
    Posts
    19

    Cloudy blue water and brownish stiff again . . .

    Good Morning!

    Been dealing with this problem for a few days. About 10 days ago, did my testing and found the CYA was very low so added stablizer to bring it up to about 25 - our second year, don't think it's ever been over 25.

    Then the rains came. It's been very wet in central NC. pH got high at 8. The pool started to lose it's sparkle and couldn't see bottom of deep end. I vacuumed several times to no avail. I started shocking to 12 and it passed the OCLT for two nights. I did alot of brushing. It has cleared up somewhat but the deep end remains a bit cloudy and the sparkle is not there. And the brownish dirt remains. The shallow end looks good until it is brushed and then I can see that the brownish stuff is still there. I brought the pH down to 7.4. Thought I'd leave it there until I talked to TFP.
    Here's my testing from this morning:

    FC - 12
    CC - 0
    TC - 12
    pH - 7.4
    TA - 80
    CH - 160
    CYA - 25

    After reading TFP about the problem of cloudiness and brownish dust on the floor of the pool, I can think of two things to do - vacuum to waste &/or add DE to filter. Before I try these things, is there anything I'm missing chemical-wise? Should I continue to shock? If so, after bringing FC down to 3, will the pool be safe to swim in even though still cloudy? Grandson is getting anxious! Thanking you in advance! Billie
    20 x 40 IG 26,000 gal. vinyl
    Hayward sand filter S244T 62 GPM
    Hayward 2.0 hp Super Pump Mdl SP2615X20
    T-100 Kit
    Pool School

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    duraleigh's Avatar
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    Apr 2007
    Location
    Sebring, Florida
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    Re: Cloudy blue water and brownish stiff again . . .

    I would keep the chlorine at 12 ppm 24/7 if possible. I would also run the pump 24/7. Continue to vacuum and brush often and I think you will see continual improvement....slow, perhaps, but continual.

    Have you been backwashing the filter?
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Join Date
    Oct 2011
    Location
    Mebane, NC
    Posts
    19

    Re: Cloudy blue water and brownish stiff again . . .

    Yes, I had been backwashing the filter every time I vacuum. I did read on TFP that this wasn't necessary every time untill the pressure goes up. My pressure always stays at 20. But now that you mention it, lately a couple of times I backwashed, the water didn't look as dirty in the glass thingy as I thought it would. So, the last time I vacuumed, I didn't backwash. Hmmmmm.
    20 x 40 IG 26,000 gal. vinyl
    Hayward sand filter S244T 62 GPM
    Hayward 2.0 hp Super Pump Mdl SP2615X20
    T-100 Kit
    Pool School

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    duraleigh's Avatar
    Join Date
    Apr 2007
    Location
    Sebring, Florida
    Posts
    30,083

    Re: Cloudy blue water and brownish stiff again . . .

    You are doing the right thing. Only backwash when necessary (25% or so increase in psi). Just wanted to confirm you were backwashing.

    So, vacuum when you can, brush that stuff back up into the water when you can and, most importantly, keep your FC up there at 12 ppm and I think your pool will clear soon.
    Dave S.
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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