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Thread: What am I doing wrong with vacuuming?

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    Join Date
    Sep 2016
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    Waterville, ME
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    What am I doing wrong with vacuuming?

    New pool owner here (inherited with a new house)... I'm trying to get this pool cleaned up for winter, and I've been having trouble getting my vacuum working. The primary vacuum I'm using is a pulsing, automatically moving vacuum, and I have gotten it to work before. I stick the hose into the water jet to get all the air out of the hose. I usually see bubbles after about 15 seconds. Then, I've got two ways to connect the hose: 1) I take the basket out of the skimmer and stick the hose straight down the intake, or 2) Connect the hose to a small circular vacuum adapter which goes over the skimmer basket. Option 1 has worked the best for me in the past.

    Then, I turn on the pump and get it going. When there's no vacuum, the jet is strong with good pressure. However, once I put the vacuum in (doing my best to keep air out of the line), the pump gurgles and the jet pressure dies down to be very weak. When I take the vacuum back out, it takes a while for the jet to resume to full pressure.

    I'd welcome any feedback about what I could be doing better. I have very little understanding about the pump, filter, settings, etc, so I'd love to learn. Thanks for your help!
    First-time pool owner as of Sept 2016!
    13,500 gal | 24' AG | Hayward Perflex EC40 DE filter | Hayward Power-flo Matrix pump | Install ~2006

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    Dallas, Texas
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    Re: What am I doing wrong with vacuuming?

    What I do differently than you is before I hook the hose into the skimmer intake is that I isolate the particular intake I am going to use and turn off the valve to the other. That way you are focusing all of the return to the one skimmer intake increasing suction.

    Here's a great video to watch:
    How to Vacuum your In Ground Pool - YouTube

    It is VERY important to keep air out of the return. It sounds like you are trying to do that but the gurgling makes me think it is not working.

    Good luck!
    Matt- IG gunite pool and spa built Summer 2016: 32' x 20' overall with two 4' x 8' tanning ledges. 6'x6' attached spa with spillover. Depth 3' to 5' to 4'. 16.4K gal. Lueders Limestone retaining wall and coping. Equip: Pentair SVRS vari. speed pump. Pentair 60 sq. ft. DE filter. Pentair Kreepy Crawly Plat. cleaner. Pentair MasterTemp 400,000 BTU NG heater. 1.5 HP spa air blower. Nature2 Sanitizer. Taylor K-206C. My 2016 Build

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    Sep 2016
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    Waterville, ME
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    Re: What am I doing wrong with vacuuming?

    Thanks, mwalling. I only have one skimmer intake going to the pump, so I think I'm all set there. The youtube video was helpful, and I found a few others about how to get air out of your system. I'll give it a try when I get back home.
    First-time pool owner as of Sept 2016!
    13,500 gal | 24' AG | Hayward Perflex EC40 DE filter | Hayward Power-flo Matrix pump | Install ~2006

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    Sep 2016
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    Re: What am I doing wrong with vacuuming?

    Sorry, here's the video I meant to attach: How to vacuum an Inground Pool Video - YouTube Much better!


    Sent from my iPad using Tapatalk
    Matt- IG gunite pool and spa built Summer 2016: 32' x 20' overall with two 4' x 8' tanning ledges. 6'x6' attached spa with spillover. Depth 3' to 5' to 4'. 16.4K gal. Lueders Limestone retaining wall and coping. Equip: Pentair SVRS vari. speed pump. Pentair 60 sq. ft. DE filter. Pentair Kreepy Crawly Plat. cleaner. Pentair MasterTemp 400,000 BTU NG heater. 1.5 HP spa air blower. Nature2 Sanitizer. Taylor K-206C. My 2016 Build

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    aussieta's Avatar
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    Jan 2014
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    Langwarrin, Victoria, Australia
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    Re: What am I doing wrong with vacuuming?

    you havent got a big blockage in the hose have you
    SWG inground peanut shaped painted concrete pool
    50,000 litres 13,000 gallons
    Lincoln Salt Chlorinator, 25 gram cell Sand Filter
    Taylor K2006-C test kit, Taylor K-1766 salt test
    are you taking care of your pool or is the poolshop taking care of you

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    Sep 2016
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    Waterville, ME
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    Re: What am I doing wrong with vacuuming?

    I checked for any blocks, but that wasn't it. I think that one of the PVC joints either had a crack in it, or wasn't fitting properly. Once I removed that piece, the vacuum worked great.
    First-time pool owner as of Sept 2016!
    13,500 gal | 24' AG | Hayward Perflex EC40 DE filter | Hayward Power-flo Matrix pump | Install ~2006

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    Apr 2007
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    Sebring, Florida
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    Re: What am I doing wrong with vacuuming?

    What you had with that fitting is a "suction side leak" The circulatory system in your pool muse be kept air-tight and that fitting was allowing air to be sucked in. Once that air gets to the pump, the pump loses "prime" and doesn't work well....sometimes not at all.

    It sounds like you stopped the air leak (by removing that fitting) and your pump has "primed" so everything is fine.

    Since you are eager to learn, there are several articles in Pool School that will teach you about this VERY important subject.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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