SKU: 21035822634

Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Concentrate

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Description

Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer ConcentrateRoundup Dual Action Weed & Grass Killer Plus 4 Month Preventer Concentrate kills existing weeds and grass down to the root and prevents new weeds from growing for up to 4 months This weed killer and preventer is rainproof in as fast as 30 minutes, and produces visible results in as fast as 6 hours Apply this herbicide to hardscapes and landscapes cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around the base

  • Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Concentrate kills existing weeds and grass down to the root and prevents new weeds from growing for up to 4 months
  • This weed killer and preventer is rainproof in as fast as 30 minutes, and produces visible results in as fast as 6 hours
  • Apply this herbicide to hardscapes and landscapes - cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around the base of well-established desirable plants, shrubs, or trees, and on gravel areas
  • All ornamental bedding plants, trees, shrubs, sod, and seed can be planted 4 months after application
  • Add 6 fl. oz. of Roundup® Dual Action Concentrate per gallon, mix into tank sprayer, and spray weeds (to prevent new weeds and grasses from growing, you must spray the entire area you want to control, not just the emerged weeds)

Root out the toughest weeds and grasses with Roundup® Dual Action Weed & Grass Killer Plus 4 Month Preventer Concentrate. This formula kills existing weeds and grass down to the root, and prevents new weeds from growing for up to 4 months by creating an invisible barrier in the soil. Apply only where you want to kill existing weeds AND prevent future weed growth for up to 4 months, such as cracks and crevices in driveways, sidewalks, and patios, along fences, in mulched beds or around the base of well-established desirable plants, shrubs, or trees, and on gravel areas. In order to prevent new weeds and grasses from growing, you must spray the entire area you want to control, not just the emerged weeds. For best results, apply during warm, sunny weather above 60°F. Rain or watering 30 minutes after application will NOT wash away effectiveness. After application, weeds will begin to yellow and wilt within hours with complete kill in 1 to 2 weeks. All ornamental bedding plants (annuals and perennials), trees, shrubs, sod and seed can be planted 4 months after application. Roundup® Dual Action Concentrate covers up to 1,600 sq. ft.

Step by Step Instructions

When and Where to Use

Where Not to Use

Do NOT Spray...

  • Plants or grasses you like – they will die.
  • Landscaped areas around young plants or in areas that will be planted or seeded within 4 months.
  • In lawns or for lawn renovation as this product prevents desirable grasses from growing too.
  • For vegetable garden preparation or in and around fruits and vegetables.
  • Next to a fence if desirable plants and grasses are growing on the other side.

Where to Use

Apply only where you want to kill existing weeds AND prevent future weed growth for up to 4 months, such as:

  • On cracks and crevices in driveways, sidewalks, walkways and patios
  • Along fences, foundations, retaining walls, and curbs
  • In mulched beds or around the base of well-established (at least 6 months old) desirable plants, shrubs or trees
  • Gravel areas
  • On parking areas and under decks

When to Apply

  • For best results, apply during warm, sunny weather above 60°F. Spray when air is calm to prevent drift to desirable plants.

How Often to Apply

  • Wait at least 2-3 months before spraying a previously treated area.

Special Instructions

Watering Tips

  • RAINPROOF: rain or watering 30 minutes after application will NOT wash away effectiveness.

Mixing Instructions

  • 1 Tablespoon (Tbs.) = 3 teaspoons (tsp.)
  • 1 fl. oz. = 2 Tbs.
  • 6 fl. oz. = 12 Tbs.
  • To measure the right amount of product, use the convenient easy-measure cap with volume markings inside.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21035822634

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4.2 ★★★★★
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A
Verified Purchase
Athena
Belleville, US
★★★★★ 5
Light white cast, blends well
Size: 4 Ounce (Pack of 1)
I was recently influenced that I should be using mineral sunscreens to protect the environment as well as my skin from UV rays, so I've been on a search for the perfect mineral sunscreen. I saw online that it's difficult to find a sunscreen without white cast in the states, but I think this Alba lotion is as close as I've gotten. The body and face lotion is a little thicker than the lotion marketed as just for the face. The body lotion blends out easily, but there is a light white cast. I used baby oil mixed with my bronzer over the top after it had set in, and it's indistinguishable from a natural skin tone now (and a shimmer bronzer just looks good in the sun). One thing is that the picture in the listing says spf 50, but the one I received is spf 45. (but I was seriously using spf 15 with mica shimmer added for the last 20 years of my life, so I think I'm going to be fine with spf 45) I tried the cetaphil mineral face and body lotion, and it left a white cast. I tried the aveeno mineral face and body sunscreen and it was even more white and chalky. It made me feel scaly. I even tried the Oars and Alps mineral face and body lotion with jojoba oil, and that one left me with a white cast worse than all of them. For reference, I am pale, and I use self tan lotion, but these other mineral sunscreens made me look chalky. I also had my partner use all of these products, hopeful that they might work differently on other skintypes. I'm fair and acne prone, and my partner is darker in complexion with dry skin. I looked well blended compared to how ghostly he was. I was especially surprised because Oars and Alps was marketed toward outdoorsy men, and marketed as moisturizing with the jojoba oil. He and I both found the Oars + Alps products to be greasy, sticky, white, and transferable to clothes and anything else you touch. This alba lotion is in too small of packaging, and takes longer to apply than spray sunscreens, but it feels the best, looks the best, and especially I'm impressed with the face lotion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 21, 2023
M
Verified Purchase
MINA
Bozeman, US
★★★★★ 5
works great
Size: 4 Ounce (Pack of 1)
very nice!!! This is my fav sunscreen. I wear in on my face and on the back of my hands. its a workout to rub it in the skin. so what I have found is if i just dott my face with this and after 15 minutes or so I spread it on to the skin...spreads easily. does not have a strong smell, its almost odorless, does make the face look a little whiteish.
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Reviewed in the United States on November 30, 2025
G
Verified Purchase
GadgetGirlDH
Alexandria, US
★★★★★ 4
Highly effective. Application requires patience.
Size: 4 Ounce (Pack of 1)
Things that I loved about this sunscreen lotion: Excellent barrier against the sun rays No nasty chemicals in the ingredients list Ability to purchase a smaller bottle Price is competitive with similar items My child had NO reaction to this product while in the sun and water Things that I didn't care for: How thick it is (although it could be part of why it is excellent protection) How long it takes to apply, multiple times to rub in How chalky white it is on the skin before absorption My daughter has eczema. In her toddler and younger years, it was in the joints of the arms and legs. She is now 9 and began having breakouts on her face after we spent a day in the sun or at the beach. Pink, flaky areas would hurt, even on her eyelids. We took her to a couple of doctors and they suggested changing her sunscreen to one that is only mineral based. I was beginning to think she was allergic to the sun or sand. We have used this a couple of times now at the pool and beach and she has not had another episode. Although this goes on thick and you have to rub it in for a few minutes, I will continue using it on her face. I did purchase a different brand of mineral sunscreen for easier application on her body, but she wasn't having a severe reaction elsewhere. If your child has any eczema issues that are exacerbated with the sun, salt or chlorine, I would highly recommend this product for at least the face. It's worth it.
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Reviewed in the United States on June 1, 2023
A
Verified Purchase
Amаzon Customer
Fort Morgan, US
★★★★★ 5
Better now than before
Size: 4 Ounce (Pack of 1), Size: 4 Ounce (Pack of 1)
I first bought this sunscreen in May 2022, and I got it again now, June 2024. The product is different now and some of the changes are noticeable in the pictures I've included: new look and shape to the bottle, weighs a bit less (great for TSA if you travel), the ingredients are slightly different. What you can't see in the photos is that it definitely smells better than it did before and it goes on your skin clearer than it used to; it would make me look like a ghost before, whereas now, it just makes my face shiny. It feels kind of dry when you apply it, definitely non-greasy. It still holds up great while sweating and swimming. And it definitely does its job of protecting from sunburns. Overall, I'm happy with the changes they've made and I would recommend it to anyone looking for durable mineral sunscreen for sensitive skin.
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Reviewed in the United States on June 17, 2024
C
Verified Purchase
CNC106
Lake Worth, US
★★★★★ 5
No stinging eyes for 6 yrs
Size: 4 Ounce (Pack of 1)
Out of all the sunscreens I've tried (zinc or otherwise) Alba Botanica is the only one that has not stung my eyes. Been using continuously for around 6 years. 7-8 years ago tried Neutrogena zinc sunscreen. It didn't sting initially but started stinging 1 year after continuous use. And Alba Botanica zinc Spf 50 does leave a white cast, just less intense than Neutrogena zinc.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026

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