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Thread: Cloudy water and fine dirt at the bottom of the pool after vacuuming?

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    Unhappy Cloudy water and fine dirt at the bottom of the pool after vacuuming?

    I just installed a 24' above ground pool with a sand filter in July from a place called Watkins. Everything was going fine I would hook the vacuum to the skimmer and vacuum, then backwash, then rinse. The last 2 times I vacummed I forgot to backwash and only rinsed. After each time I noticed the next day the fine dirt was back in the bottom of my pool. I realized what I was doing wrong so yesterday I vacummed, backwashed, then rinsed, but today the dirt was back on the bottom of my pool. The water is also cloudy and greenish, but I am more concerned with the dirt returning after vacuuming, backwashing, and rinsing. Can anyone help me?

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    Mod Squad JohnT's Avatar
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    Re: Cloudy water and fine dirt at the bottom of the pool after vacuuming?

    Welcome to TFP!

    The water is also cloudy and greenish
    The fine dirt you are seeing is algae. You need to get your chemistry under control and your "dirt" problem will go away as well.
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    Re: Cloudy water and fine dirt at the bottom of the pool after vacuuming?

    It looks like fine dirt, its completely gone after vacuuming, but returns overnight, and I can see it in the morning. Does algae grow that fast because it is quite a large amount settling on the floor of my pool. I can see it disapate as I am vacuuming. I don't have a fancy test kit, I just have the aquacheck strips. If you still think it is algae what should I do to fix that problem?

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    Mod Squad JohnT's Avatar
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    Re: Cloudy water and fine dirt at the bottom of the pool after vacuuming?

    Quote Originally Posted by bigpun74 View Post
    It looks like fine dirt, its completely gone after vacuuming, but returns overnight, and I can see it in the morning. Does algae grow that fast because it is quite a large amount settling on the floor of my pool. I can see it disapate as I am vacuuming. I don't have a fancy test kit, I just have the aquacheck strips. If you still think it is algae what should I do to fix that problem?
    It's algae, and it grows that fast. Read ABC's of Pool Water Chemistry and then Defeating Algae

    Bottom line is that you aren't keeping enough chlorine in the pool to control the algae.
    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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