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Thread: Pool skimmer not skimming hardly anything.

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    Pool skimmer not skimming hardly anything.

    I keep messing with the skimmer to try to change the settings or mess around with it. Let me know if everything is ok or if anything I can do:

    Water level about halfway into skimmer maybe a little more.
    Skimmer basket cleaned every few days never fully full or close to it.
    Skimmer float on the bottom is fully closed since I have 2 pipes.
    When pool is on float valve floater is sucked closed.
    When pool motor is off it floats.
    When pool motor is on water is sucked in.

    What am I doing wrong? When pool is on you can see little bugs float beside the opening of the skimmer. I have good circulation from what I can tell.
    16k gallons
    IG "roman style" plaster
    Pentair CCP420 Clean and Clear Plus Pool and Spa Cartridge Filter, 150-GPM
    1hp pump
    Built in 2000

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    JasonLion's Avatar
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    Re: Pool skimmer not skimming hardly anything.

    Make sure the weir door is moving freely. Also, you can try to aim the returns so debris is carried to the skimmer more effectively.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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    elwood58's Avatar
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    Re: Pool skimmer not skimming hardly anything.

    If the Float Diverter flap is fully closed, one of three things will happen.

    1. If your Main Drain is plumbed through the skimmer, all suction will now go to the Main Drain.
    2. If the 2nd hole in the skimmer is inert, the Float will get sucked down, nothing will come through the skimmer and suction will be diverted to another intake. (This sounds like you now)
    3. If the 2nd hole on the skimmer is a balance line on the side of the pool, suction will be diverted there. This is not likely, as you float is getting sucked down when the pump is on.

    The first thing to do for now is take the Float Diverter out of your Skimmer and see how it performs. This is the same as having the flap all the way open.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

    "If you don't measure it, you can't manage it!"

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    Re: Pool skimmer not skimming hardly anything.

    The weir door is missing , was a foreclosed house so Idk how it came about being missing looks like it was never put in to begin with.

    I have 3 circulators and they work sorta in a circle, one hands off debris to another etc. Works good when the debris goes into skimmer otherwise it just circulates all the water very good.

    I only have one skimmer and just opened the float diverter all the way. I'll let update in about 20 mins to see if anything changes.
    16k gallons
    IG "roman style" plaster
    Pentair CCP420 Clean and Clear Plus Pool and Spa Cartridge Filter, 150-GPM
    1hp pump
    Built in 2000

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    elwood58's Avatar
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    Re: Pool skimmer not skimming hardly anything.

    Some skimmers have circular weirs, as apposed to the flat door. These skimmers usually have sides that slope all the way back. If the throat of the skimmer has straights side going back, measure the width and height, as you can buy a universal weir at the Pool Store. I just replaced mine a couple of weeks ago.

    The weir will keep things from floating back into the pool after the pump shuts off. It also keeps a whirlpool from developing in the skimmer, which can lead to your pump loosing prime as it sucks air.
    19204 Gallon L Shape with a 10X10 2nd Step Baja Ledge. Intellichlor IC-40, IntellipH, Cartridge Filter, Pentair Heater/Chiller (Heat Pump). Tons of Deck with Deck Jets. Construction Complete 6/5/17.

    "If you don't measure it, you can't manage it!"

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    Mod Squad JohnT's Avatar
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    Re: Pool skimmer not skimming hardly anything.

    Your weir accelerates surface flow to improve skimming action. Replace it.
    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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    Re: Pool skimmer not skimming hardly anything.

    +1 on what John T said. That is most likely your problem.
    17 x 35 fiberglass IG pool, 1.5 hp Pentair Superflo 2 speed pump, 150 ft2 Pentair Clean and Clear cartridge filter, Compupool SWG, Dirt Devil Electric Robotic Cleaner

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    Re: Pool skimmer not skimming hardly anything.

    So changed out weir door and I can tell that the flow is better but I'm still having problems with bugs staying in the pool and little grass and stuff floating. Got good circulation but after going away for 3 days and not checking the pool at all I come home and find this: tons of rolly pollys. Is it normal since i'm a first time owner not sure if they are just attracted to water or what.


    16k gallons
    IG "roman style" plaster
    Pentair CCP420 Clean and Clear Plus Pool and Spa Cartridge Filter, 150-GPM
    1hp pump
    Built in 2000

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    Richard320's Avatar
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    Re: Pool skimmer not skimming hardly anything.

    My pool is good for about 6 or 8 of those every night.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
    A pool is like a pet - you have to feed it every day, even the days you don't want to play with it!

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    Kiss4aFrog's Avatar
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    Re: Pool skimmer not skimming hardly anything.

    Try changing the direction of the return jets every couple of days until you get the best skimming action.

    I know with mine I'll aim them down for mixing chemicals and keeping the water an equal temperature but adjust them up to move the surface water around more to get the skimmers to take stuff off the top.
    You always have the net !!
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