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Thread: Advice on pointing of return jets?

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    Advice on pointing of return jets?

    Hi all -- pool newbie here. Just opened our fiberglass in-ground and I'd like to know what people think is ideal aiming for our two return jets. Here's a diagram of the pool with jets/skimmer/main drain indicated. Appreciate the help in advance!

    [attachment=0:2og1znak]pool shape.jpg[/attachment:2og1znak]
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    15K, IG Fiberglass, Pentair Cartridge, Nature2 Fusion, 2x PoolCleaner, installed Fall 2012

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    linen's Avatar
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    Re: Advice on pointing of return jets?

    Welcome to tfp, eball

    What direction is the prevailing wind?

    Usually you want to get the water moving in a circle throughout the whole pool. My first thought looking at yours, is to aim the top jet to the right and the bottom jet to the left. Unless you are trying to aerate the water, you probably want the jets pointing slightly down as well.

    You will have to experiment to see if you can get a circular motion.
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    bobodaclown's Avatar
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    Re: Advice on pointing of return jets?

    Is the skimmer on the down wind side? You want the water to go in a circular motion. I'd try aiming the return across from the skimmer towards the light fixture. And the opposite one towards the center of the side wall. counter clockwise flow.
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    linen's Avatar
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    Re: Advice on pointing of return jets?

    Quote Originally Posted by bobodaclown
    I'd try aiming the return across from the skimmer towards the light fixture.
    What light fixture?
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

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    Re: Advice on pointing of return jets?

    Quote Originally Posted by linen
    Quote Originally Posted by bobodaclown
    I'd try aiming the return across from the skimmer towards the light fixture.
    What light fixture?
    That's funny. While I didn't indicate one on my drawing, it's actually in the same position (but higher) above the main drain.

    I understand what you're both saying, though. Aim the jet near the stairs to the right, and aim the one across from the skimmer at the light. I'll mess around with it this weekend and see what happens. I do like to see some surface agitation -- any problems aiming them slightly up?
    15K, IG Fiberglass, Pentair Cartridge, Nature2 Fusion, 2x PoolCleaner, installed Fall 2012

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    Re: Advice on pointing of return jets?

    Quote Originally Posted by eball
    I understand what you're both saying, though. Aim the jet near the stairs to the right, and aim the one across from the skimmer at the light. I'll mess around with it this weekend and see what happens. I do like to see some surface agitation -- any problems aiming them slightly up?
    Aiming them up improves their performance at moving debris on the surface. If you get a lot of leaves and bugs, it's the way to go.

    If the wind blows into your stairs, you'll have a hard time keeping them clear no matter how you aim the returns.
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    Re: Advice on pointing of return jets?

    Quote Originally Posted by JohnT

    Aiming them up improves their performance at moving debris on the surface. If you get a lot of leaves and bugs, it's the way to go.

    If the wind blows into your stairs, you'll have a hard time keeping them clear no matter how you aim the returns.
    Got it; thanks!
    15K, IG Fiberglass, Pentair Cartridge, Nature2 Fusion, 2x PoolCleaner, installed Fall 2012

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