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Thread: Ok - one quick question....

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    Ok - one quick question....

    My levels for the last 2 days are:

    FC 8
    CC .5 (or less - there is just the faintest hint of pink after putting in the "yellow" drops
    ph 7.3
    TA 70
    CH 200
    CYA 50

    Problem is - about 2 hours after I vaccuum the whole pool, there are pockets of grey stuff on the bottom of the pool. AND even though the pool LOOKS crystal clear from the outside looking in, once you get in and are looking across the pool underwater, it is hazy.

    So - the gray stuff. Is it the contaminates in the water after getting bleached out? Or is it an algae?

    I scrubbed the whole pool today. Sides and bottom - but did not vaccuum again today.

    What would you do now? Shock it again and then vaccuum tomorrow and hope it kills both issues with one stone?

    And I see people talking about skimmer socks. How do you attache a pantyhose or sock or whatever to the skimmmer - and especially to the return? I've seen a couple posts about doing that?!

    Thanks!!!
    21x41x54" AG Artesian Seville II
    Installed around 2004 - we moved here in 2008
    23,000 gal
    Hayward SwimPro 256T Sand Filter
    1HP 2speed Hayward Power Flo Matrix
    (and have 2HP Hayward Swimpro and a 2hp 2speed Waterway Hi-Flo pump as back up also!! lol)
    No heating - other than Solar SunRings
    Central IL

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    Re: Ok - one quick question....

    I would do an overnight FC loss test. Instructions are in pool school. That'll confirm whether or not you have any algae.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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    Butterfly's Avatar
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    Re: Ok - one quick question....

    I suggest you do the Overnight FC Loss Test.

    The skimmer socks go inside the skimmer basket and then stretch over the top.

    As for putting one over a return, I'd haven't done that. But, I imagine you could use nylon twine, strong fishing line or maybe even dental floss :P to wrap around to hold them onto the return.
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

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  4. Back To Top    #4
    Butterfly's Avatar
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    Re: Ok - one quick question....

    Here's two pics of skimmer basket with the sock.

    Scroll down to MikeInTN's post. Thanks Mike

    skimmer-sock-all-the-time-or-just-occassionally-t13208-20.html
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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    Re: Ok - one quick question....

    Alright - this morning my FC level was 7.5, CC 0 - I assume that means it is not algae? Right? I took a pantyhose kneehigh out and put it on the skimmer as shown in the picture above (thanks for posting that!). Now, when I vaccuum, is there a way to use the pantyhose to filter since that's when you can get that fine stuff? Can you put it in the pump basket by chance? Or just put it on the end of the hose before you put the vacuum head on?

    TIA!!!
    21x41x54" AG Artesian Seville II
    Installed around 2004 - we moved here in 2008
    23,000 gal
    Hayward SwimPro 256T Sand Filter
    1HP 2speed Hayward Power Flo Matrix
    (and have 2HP Hayward Swimpro and a 2hp 2speed Waterway Hi-Flo pump as back up also!! lol)
    No heating - other than Solar SunRings
    Central IL

  6. Back To Top    #6
    Butterfly's Avatar
    Join Date
    May 2007
    Location
    South Carolina
    Posts
    10,045

    Re: Ok - one quick question....

    So, you are saying that your FC dropped from 8 to 7.5 overnight? Then your pool did pass the overnight test

    If you have been shocking your pool, your filter may just need time to clear the water.

    Continuing to brush the pool will keep it stirred up and will allow the filter to clear it out.

    Someone will be along to discuss the skimmer socks and vac'ing
    TFP Moderator TF100 Test Kit TF100 TestKit YouTube Channel PoolMath
    You're done SLAMing when:
    1)You lose 1ppm or less FC overnight, & 2)You have .5ppm CC's or less, & 3)your water is clear.

    ~ One should not use a sledge hammer to swat a mosquito. ~

    If you found TFP helpful and we saved you money ... Become a TFP Supporter!

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