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  • Roundup 5100720 Weed and Grass Killer Super Concentrate Bottle, 35.2-Ounce
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Roundup 5100720 Weed and Grass Killer Super Concentrate Bottle, 35.2-Ounce

by Roundup
| 8 answered questions

Price: $44.99 & FREE Shipping. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Best Roundup brand concentrate value
  • Rainproof in 30 minutes
  • Add 2.5 oz. per 1 gallon of water for best results
  • Results in 2-4 days
  • Kills all types of weeds and grasses
26 new from $44.99

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Frequently Bought Together

Roundup 5100720 Weed and Grass Killer Super Concentrate Bottle, 35.2-Ounce + Chapin 20000 1-Gallon Lawn and Garden Sprayer + Spectracide 95834 Weed Stop for Lawns, 32-Ounce Concentrate
Price for all three: $67.75

Buy the selected items together



Product Details

  • Product Dimensions: 4.8 x 2.4 x 11.2 inches ; 3 pounds
  • Shipping Weight: 4 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B0008309SW
  • Item model number: 5100710
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (44 customer reviews)
  • Amazon Best Sellers Rank: #2,117 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)

Product Description

Roundup Weed & Grass Killer

The Roundup brand has been trusted to kill all types of weeds. Kills to the root! Guaranteed*
From Ready-To-Use formulas to Concentrates, to Weed Prevention, Roundup brands have it. So feel confident and put the power of the Roundup brand to work for you.

Roundup Concentrate Formulas: Bigger Jobs. Better Value.

Roundup Weed & Grass Killer Concentrate Plus
  • FastAct Technology
  • For use in a tank sprayer
  • Add 6 oz. per 1 gallon of water for best results
  • Roundup Weed & Grass Killer Super Concentrate
  • Best Roundup brand value
  • For use in a tank sprayer
  • Add 2.5 oz. per 1 gallon of water for best results
  • Roundup Concentrate Extended Control Weed
    and Grass Killer Plus Weed Preventer
  • Dual action formula kills existing weeds and prevents new weeds from growing for up to 4 months
  • Kills weeds to the roots. Guaranteed*
  • Roundup Concentrate Poison Ivy Plus Tough Brush Killer
  • Exclusive formula combines 2 brush killing ingredients
  • Strong enough to penetrate the tough waxy leaves of hard-to-kill weeds and brush
  • Kills the roots! Guaranteed*

  • What's Your Weed Problem?

    What to Use

    Roundup Ready-To-Use Weed & Grass Killer III

    Roundup Ready-To-Use Weed and Grass Killer Plus Weed Preventer II

    Roundup Ready-T-Use Poison Ivy Plus Tough Brush Killer

    Performance

    Rainproof In 10 Minutes 10 Minutes 30 Minutes
    Visible Results In 3 Hours 3 Hours 24 Hours
    Specialized Ingredient Fights Through Waxy Leaves
    Kills AND Prevents Weeds

    Recommended Areas of Use
    Lawn Renovation & Garden Prep
    In/Around Flower Beds
    Around Tree Rings & Mulched Beds
    Along Foundations
    Along Fence Lines
    Patios & Walkways
    Driveways & Gravel Areas


    *Consumer Guarantee: If for any reason you are not satisfied after using this product, simply send us original proof of purchase and we will replace the product or refund the purchase price.



    Customer Questions & Answers

    Customer Reviews

    Basically, just spray the you-know-what out of them!
    peytonkins
    The pre-diluted bottle would show some visual brown damage within 2-3 days at most.
    David
    When used at the recommended mix of 2.5 ounces per gallon, it just doesn't work.
    Joseph J Grazio

    Most Helpful Customer Reviews

    14 of 14 people found the following review helpful By Matt on July 20, 2012
    Verified Purchase
    The product works and is a 5 star product, but at a 5 star price. Look around for a generic brand 41% glyphosate for less than half the price and equally as effective. Wish I had before I bought this.
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    7 of 9 people found the following review helpful By Ana on July 18, 2011
    Verified Purchase
    Initially I was skeptical about this product. I mixed it and applied it as directed...and two days later, nothing had happened...then three days, then four...still nothing. It was about five days later that the weeds started wilting. It's been a week and a half now and all the weeds that I sprayed are dead and dry, all the way down to the root! Definitely worth it. And because it's a concentrate, a small amount goes a long way. Very happy with the purchase.
    Comment Was this review helpful to you? Yes No Sending feedback...
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    1 of 1 people found the following review helpful By Joseph J Grazio on July 10, 2014
    Verified Purchase
    Don't waste your money on this product. When used at the recommended mix of 2.5 ounces per gallon, it just doesn't work. I had been using Roundup Concentrate at the recommended mix of 6 ounces per gallon of water and it worked very well, so I thought I would try this "Super Concentrate Formula" in an attempt to save a little money. What a mistake that was; as soon as I mixed it I had concerns as it did not even change the color of the water in the spray tank. I sprayed it on some weeds and after about a week of nothing happening I sprayed the weeds again. I got the same result, the weeds lived on. This product is so ineffective, that I believe if you listen closely you can hear the weeds laughing! If you want to use Roundup to kill weeds, buy the cheaper formula that requires 6 ounces per gallon of water. That one works.
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    1 of 1 people found the following review helpful By Peggy F. Moseley on April 18, 2014
    Verified Purchase
    This is a good product. The weeds I sprayed it on last week have wilted and gone to mulch.
    It was easier to have it delivered to my door than to carry it from the store to car trunk, car trunk to potting shed.
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    1 of 1 people found the following review helpful By Charles R. Preston on January 7, 2014
    Verified Purchase
    A farmer turned me onto Roundup in 1980 for effective weed control. We have been buying and using it ever since at our homes across the US. One squirt kills stubborn weeds all the way to the roots but does not harm any other nearby plants in the process.
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    1 of 1 people found the following review helpful By wanda on December 21, 2013
    Verified Purchase
    This product is great. you can spray it on and even if it rains it still works.Just make sure you spray at least 30 min before it rains.
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    1 of 1 people found the following review helpful By S. Cooper on November 19, 2013
    Verified Purchase
    Best buy for the dollar per oz. Works to kill everything and makes my rock lawn look good. We have plants that seem to sprout from now where but that is not this products fault. Its better than other brands I have tried.
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    1 of 1 people found the following review helpful By Woseiay on October 13, 2013
    Verified Purchase
    I live in a neighborhood where some people don't kill the weeds in the cracks between the paving and the curbs. Drives me crazy! I find that this works like a champ.
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