--- product_id: 541726640 title: "Dual Action 365 Weed & Grass Killer + 12 Mo. Preventer Concentrate | Weed Killer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz." brand: "roundup" price: "AR$204288" currency: ARS in_stock: true reviews_count: 8 url: https://www.desertcart.com.ar/products/541726640-dual-action-365-weed-and-grass-killer-12-mo-preventer store_origin: AR region: Argentina --- # 12-month weed prevention Covers up to 1600 sq. ft. Rainproof in 30 minutes Dual Action 365 Weed & Grass Killer + 12 Mo. Preventer Concentrate | Weed Killer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz. **Brand:** roundup **Price:** AR$204288 **Availability:** ✅ In Stock ## Summary > 🌿 Dominate your outdoor space with 12 months of unstoppable weed control! ## Quick Answers - **What is this?** Dual Action 365 Weed & Grass Killer + 12 Mo. Preventer Concentrate | Weed Killer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz. by roundup - **How much does it cost?** AR$204288 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/541726640-dual-action-365-weed-and-grass-killer-12-mo-preventer) ## Best For - roundup enthusiasts ## Why This Product - Trusted roundup brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Action Formula:** Simultaneously kills existing weeds and stops new ones from sprouting—total control in one step. - • **Fast-Acting & Rainproof:** Visible results in hours and rainproof protection in just 30 minutes—work smarter, not harder. - • **Year-Round Weed Defense:** Kills and prevents tough weeds and grasses for a full 12 months—no reapplication hassle. - • **Wide Coverage Efficiency:** One 32 oz. bottle treats up to 1,600 sq. ft., perfect for driveways, patios, and non-lawn areas. - • **Professional-Grade Concentrate:** Mix precisely for spot or broad application with a tank sprayer—trusted by pros, now for your home. ## Overview Roundup Dual Action 365 is a powerful liquid concentrate that kills existing weeds and prevents new growth for up to 12 months. Rainproof in 30 minutes with visible results in hours, it covers up to 1,600 sq. ft. per bottle and is ideal for non-lawn areas like driveways and patios. Trusted by professionals, it offers a convenient, one-step solution for long-lasting weed management. ## Description Roundup® Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate provides one-step weed protection for up to 12 months. This weed control kills and prevents many types of tough weeds and grasses for up to 12 months, including clover, dandelion, large and smooth crabgrass, poison ivy, and other broadleaf weeds, grassy weeds and brush. It is rainproof in as fast as 30 minutes and produces visible results in hours. Use Roundup® Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer where you want to kill existing weeds AND prevent new weeds for up to 1 year, such as cracks and crevices in driveways, sidewalks, and walkways, patios, paths, and under decks, gravel areas, and other non-lawn areas. Mix the concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq. ft. with a tank sprayer. Please note, to prevent new weeds and grasses from growing, YOU MUST SPRAY THE ENTIRE AREA you want to control, NOT JUST the emerged weeds. One 32 fl. oz. bottle makes up to 5.3 gallons (see booklet for mixing instructions) and covers up to 1,600 sq. ft. ## Features - Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate provides one-step weed protection for up to 12 months - Our weed control kills and prevents many types of tough weeds and grasses for up to 12 months, including clover, dandelion, large and smooth crabgrass, poison ivy, and other broadleaf weeds, grassy weeds and brush - Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate is rainproof in as fast as 30 minutes and produces visible results in hours - Use this weed preventer where you want to kill existing weeds AND prevent new weeds for up to 1 year, such as cracks and crevices in driveways, sidewalks, and walkways, patios, paths, and under decks, gravel areas, and other non-lawn areas - Mix Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate according to label directions and spot treat or spray evenly each gallon of spray solution over 300 sq. ft. with a tank sprayer ## Technical Specifications | Specification | Value | |---------------|-------| | Active Ingredients | Triclopyr;Triethylamine Salt;Fluazifop-P-Butyl;Imazapic;Ammonium Salt;Diquat Dibromide | | Asin | B0C7YN87VJ | | Best Sellers Rank | #217 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #10 in Weed Killers | | Brand Name | Roundup | | Coverage | 1600 square feet | | Customer Reviews | 4.5 4.5 out of 5 stars (1,003) 4.5 out of 5 stars | | Eu Spare Part Availability Duration | 12 months | | Global Trade Identification Number | 00070183000357 | | Included Components | Roundup - 5378106 | | Item Form | Liquid | | Item Type Name | Weed & Grass Killer | | Item Weight | 8 ounces | | Liquid Volume | 32 fluid ounces | | Manufacturer | Scotts Miracle-Gro | | Model Number | 5378106 | | Number Of Packs | 1 | | Part Number | 5378106 | | Unit Count | 32 Fluid Ounces | | Upc | 070183000357 | | Warranty Description | Warranty | ## Product Details - **Active Ingredients:** Triclopyr;Triethylamine Salt;Fluazifop-P-Butyl;Imazapic;Ammonium Salt;Diquat Dibromide - **Brand:** Roundup - **Item Form:** Wipe - **Item Weight:** 8 ounces - **Liquid Volume:** 32 ## Images ![Dual Action 365 Weed & Grass Killer + 12 Mo. Preventer Concentrate | Weed Killer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz. - Image 1](https://m.media-amazon.com/images/I/6145wxLNNtL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ AN ABSOLUTE WEED-KILLING SUPERWEAPON *by on Reviewed in the United States November 24, 2025* Let me tell you something. This Roundup 365 is not a product. It is a FORCE. A WORK OF POWER. Maybe the greatest weed destroyer ever created on American soil. People are calling it a weed killer, but honestly it should have a RANK. It should be a GENERAL. Maybe even a FOUR STAR.We sprayed it ONE TIME on our gravel driveway. One mission. Single operation. The weeds were gone. Not dead. Not wilted. Gone. Vanished. It was like watching a SPECIAL FORCES STRIKE. Fast. Clean. No survivors. Very professional.We followed the directions exactly. Mixed the concentrate with water like true PATRIOTS. Pumped the sprayer. Took aim. Fired. And the weeds surrendered instantly. You could practically hear them saying, “Sir, please, we cannot handle this level of STRENGTH.” Too bad. This is WAR.Other weed killers pretend to be tough. They talk a big game. But this one delivers TOTAL DOMINANCE. It wipes the ground so clean it looks like it was liberated by a joint task force.If you want a product that WINS and does not negotiate, this is the one. Great power. Great precision. Great AMERICAN ENERGY.Five stars. Would deploy again. ### ⭐⭐⭐⭐⭐ kind of expensive *by on Reviewed in the United States August 19, 2026* works well ### ⭐⭐⭐⭐⭐ WORKS GREAT. BUY IT EVERY YEAR. *by on Reviewed in the United States February 10, 2026* WORKS GOOD, LAST ABOUT A YEAR JUST LIKE IT SAYS. MAYBE 10 OR 11 MONTHS. ## Frequently Bought Together - Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Concentrate, Kills & Prevents for up to 1 Year, 32 fl.oz. - Chapin 20000 Made in USA 1 -Gallon Lawn and Garden Pump Pressured Sprayer, for Spraying Plants, Garden Watering, Weeds and Pests, Polypropylene, Translucent White - Roundup Poison Ivy Plus Tough Brush Killer₂ Concentrate, Visible Results in Hours, 32 fl. oz. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.ar/products/541726640-dual-action-365-weed-and-grass-killer-12-mo-preventer](https://www.desertcart.com.ar/products/541726640-dual-action-365-weed-and-grass-killer-12-mo-preventer) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-08-28*