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Thread: Nut grass growing through the pool liner

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    Join Date
    Jul 2013
    Placentia, CA

    Nut grass growing through the pool liner

    Hi everybody,

    I'm a newbie, and I found this site by accident while I was searching the internet looking for a solution to prevent nut grass from growing through my above ground pool liner. I set my pool up last Sunday and while vacuuming the pool yesterday I was met with the horror of seeing nut grass growing through my brand new intex pool liner. I know nut grass is a resilient weed and I do have it in my yard, but I thought the intex pool liner was tough enough that it couldn't poke through. Needless to say I'm very bummed out.
    I'm looking for some type of pad to put under the pool to block the grass from growing through again. I 've heard about the gorilla pad and some type of armour shield pool pad that they got from a pool contractor. If anybody can offer more info these items or other methods that would be very helpful.


    16' round X 48" Ultra Intex Pool, all standard equipment.

  2. Back To Top    #2
    Mod Squad woodyp's Avatar
    Join Date
    Apr 2010
    East Texas

    Re: Nut grass growing through the pool liner

    Spraying for the nutgrass would be the most helpful and easiest. Why risk it again? Welcome to TFP.
    16x32x52" Steel Cornelius Miramar AGP Vinyl liner 13,100 gal. Buried 2 ft.
    2 Speed Hayward Power-Flo Matrix 85 g.p.m. 22" 250lb. sand filter hard plumbed
    Pool Rover Jr., Pool Blaster Max, Diver Dave TF100 Test Kit/Speed Stir
    Margaritaville Frozen Concoction Maker, Liqour Chiller, & Drink Mixer & Party Tub----Collect 'um all!

  3. Back To Top    #3
    Mod Squad zea3's Avatar
    Join Date
    Jul 2009
    Houston, Texas

    Re: Nut grass growing through the pool liner

    Hi, welcome to TFP! Before you lay down any tarp or pad saturate the ground well with nut grass killer first. You would be amazed what that garbage can grow through. A lot of our Intex users lay builders insulating styrofoam under the pool. We have many users that enjoy the feel of the gorilla pad, but I don't t know if anyone uses it specifically for nut grass issues.
    TFP Moderator
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    Vogue 21' round AG, Pentair 1 hp 2 speed pump, 36 sq ft DE filter, Hayward S180T 150# sand filter, Houston, Texas
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  4. Back To Top    #4
    Charlie_R's Avatar
    Join Date
    May 2013
    Mexico, MO

    Re: Nut grass growing through the pool liner

    The gorilla pad or the armor shield will greatly reduce the possibility of nutgrass intrusion, but may not completely stop it. Placing 1/2" foam board under the pool along with the pad should stop it completely.
    15'x48" 4500 gallon Intex pool, buried 1.5 ft. Pac-Fab Dynamo 3/4 hp pump. Hayward S180T sand filter, bought used. Taylor K-2006 test kit. Rocket mass heater based wood fired pool heater.

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