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Roundup 5705010 Extended Control Weed and Grass Killer Plus Weed Preventer Concentrate, 32-Ounce

by Roundup
4.5 out of 5 stars 219 customer reviews
| 14 answered questions

List Price: $33.64
Price: $31.98 & FREE Shipping on orders over $49. Details
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32-Ounce
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  • Dual-action formula kills existing weeds and prevents new ones from growing for up to 4 months
  • Kills weeds to the root. Guaranteed! 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.
  • Use on driveways, sidewalks, and patios; along fences, foundations, curbs, retaining walls and edge of lawns, as well as on decorative rock or gravel areas
  • Rainproof in 30 minutes
  • Visible results in 3 hours
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Father's Day in Patio, Lawn & Garden
$31.98 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Roundup 5705010 Extended Control Weed and Grass Killer Plus Weed Preventer Concentrate, 32-Ounce
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  • Chapin 20000 1-Gallon Poly Lawn and Garden Sprayer
Total price: $45.17
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Technical Details


Product Description

Size: 32-Ounce

The dual-action formula of Roundup Concentrate Extended Control Weed & Grass Killer Plus Weed Preventer II kills existing weeds and prevents new ones from growing for up to four months—and it kills them down to the root, guaranteed! Plus, the Roundup Extended Control can be used on driveways, sidewalks, patios, along fences, curbs, retaining walls, and edges of lawns, as well as on decorative rock or gravel areas. Simply add 6 fl. oz. of the concentrate to 1 gallon of water in a Roundup Brand Premium Sprayer. Rainproof in 10 minutes with visible results in 12 hours, Roundup works. Fast. 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.

Product Information

Size:32-Ounce
Product Dimensions 2.4 x 4.8 x 11.2 inches
Item Weight 2.6 pounds
Shipping Weight 2.7 pounds (View shipping rates and policies)
Manufacturer RoundUp
ASIN B000R0WXI0
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Item model number 5705010
Customer Reviews
4.5 out of 5 stars 219 customer reviews

4.5 out of 5 stars
Best Sellers Rank #2,440 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden)
#12 in Patio, Lawn & Garden > Gardening > Weed & Moss Control > Weed Killers

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

By M. Pfeiffer on July 2, 2011
Size: 32-Ounce Verified Purchase
I love this stuff. I use it in a pump sprayer and have been doing so for about 3 years in a row now. It kills EVERYTHING! I spray it along the woodsline to kill poison ivy and keep the line nice and neat. I spray in about mid-may and it keeps anything except moss from growing back for the rest of the summer and fall. For me it has killed poison ivy, many very tall weeds, grass, tree branches (not the whole tree) everything I have ever sprayed that was once green. I also use it in my mulch beds and rock gardens so I don't have to weed around my established plants. It will kill large desirable plants, though, so you have to be careful, but when I have accidentally sprayed desirable plants I just washed then off right away and it didn't do any damage. Works great on driveway seams too. It does not work as quick as the bottle says, though. Usually takes 4 to 5 days for things to get really brown and dead looking. This stuff is kind of expensive but it works and keeps working. Bottle of concentrate makes around 6 gallons. 2 gallons does about 300 feet of woodsline. 1 gallon does the 2 foot rock garden that goes around my whole house. Other/cheaper products I've used including some of that stuff from tractor supply will kill the weeds but they come back after a few weeks. I will keep buying this every year.
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Size: 32-Ounce Verified Purchase
I've been using another well-known product for years but desired to try this one to see if it was any better. Cost wise it was more economical but did not do everything I would have liked. It works very well on grass and weeds (as long as it is not in a wetland area) but does nothing to small saplings or tough plants like blackberries. I suggest adding a small amount of dish-washing liquid to your sprayer because it helps the liquid to stay on the leaves instead of beading off.
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Size: 32-Ounce Verified Purchase
We live out in the country where weeds and thorny vines really flourish, so I still use either the Roundup Super Concentrate (purple top) or the Tough Brush Killer (yellow top) for much of our more stubborn vegetation such as blackberry vines, multifloral rose, poison ivy, and saplings. It just seems to do a better job of getting rid of the difficult stuff.

But for sidewalks, flagstone patios and walkways, and driveways, this Roundup Extended Control can't be beat. When I use the purple or yellow topped Roundup on these areas, I end up having to respray every 3-5 weeks to combat all of the new weeds. With the Extended Control, I can usually go 2-3 months before spraying again. The bottle claims that it lasts up to 4 months, but in my experience, it generally wears off before then. The length of time may be dependent upon growing conditions in various regions. We get LOTS of rain and temperate climate which may be why it doesn't last as long as advertised. Still, it makes a big difference. Instead of the 5-6 times that I would normally need to spray these areas during a growing season, I can usually get by with only spraying a couple times a year.

Roundup products do take considerably longer to start producing noticeable die-back of weeds. Many weed killers, such as Spectracide Weed And Grass Killer, wilt the weeds within an hour and leave noticeably dead weed "leaves" within 24 hours but have little luck in killing the root. With the Roundup, I rarely notice any effect at all on the weeds until at least a few days later. Even then, it's sometimes up to 2 weeks or more before they are fully dead.

But, there is a reason for this.
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Size: 32-Ounce Verified Purchase
Excellent prduct. I have a very large woodchipped area and a bank around my pond. Other products worked well, but within a week of killing the growth, new growth would begin to appear. This product killed all growth, including vines and pickes and has kept my woodchips and bank area free of any new growth for over a month now. It definitely is "extended weed control". The price on Amazon was the best I could find either locally or on-line. Shipping was fast and very reasonable.
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Size: 32-Ounce Verified Purchase
The Extended Control Roundup always works. Some times it takes a little longer than other times, but eventually (within 2 weeks) everything in it's path is dead. I use it on all kinds of nasty weeds on my acreage & have always been happy with the results!
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Size: 32-Ounce
This stuff works as advertised, and I've found the 4 month claim to actually be kind of short. I've noticed up to 5 months of weed stopping power in areas when not diluted completely to specs. I do dilute the product, but keep it slightly stronger with less water or more product per gallon (typically, I'll do 7-8 ounces per gallon, as opposed to the recommended 6).

The issue is that the weeds don't die-off right away. Some wilting is noticeable within 24 hours, but the weeds don't brown off and die until days later. So, give it some time before re-applying.

Also, I've noticed that on established dandelions, you may need to reapply the product after a few days. Dandelion greens will wilt at application, but the plant will still flower, bloom, and spread. Also, if you are using it to kill overseeded grass areas, I've noticed that the product is spotty on established fescue. Just a quick spray won't due, you really need to soak the area. It will work eventually, but the fescue seems to be too resilient with light applications (which can be a positive in not having to worry about over-spray or spray drift).
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