--- product_id: 79620609 title: "RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon" brand: "rm18" price: "HK$2790" currency: HKD in_stock: true url: https://www.desertcart.hk/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5 store_origin: HK region: Hong Kong --- # Optimal use on warm, sunny days Visible results in 12 hours Rain fast in 30 minutes RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon **Brand:** rm18 **Price:** HK$2790 **Availability:** ✅ In Stock ## Summary > 🌿 Eradicate weeds fast, reclaim your lawn faster! ## Quick Answers - **What is this?** RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon by rm18 - **How much does it cost?** HK$2790 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5) ## Best For - rm18 enthusiasts ## Why This Product - Trusted rm18 brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Action Formula:** See weeds wilt within 12 hours—fast relief, zero wait. - • **Safe & Soil-Friendly:** Leaves soil fertile and deactivates on contact with ground—grow what you want. - • **Massive Coverage Power:** Treats up to 318,000 sq ft—your entire property, no sweat. - • **Dual Herbicide Strength:** Kills 100+ tough weeds including poison ivy & kudzu with precision. - • **Pet & People Friendly Post-Dry:** No entry restrictions once dry—peace of mind for your family. ## Overview RM18 Fast-Acting Weed & Grass Killer is a powerful 2.5-gallon herbicide concentrate that makes up to 106 gallons of spray solution, covering up to 318,000 square feet. It delivers visible weed control results within 12 hours, is rain fast in 30 minutes, and effectively kills over 100 types of weeds including poison ivy, kudzu, and crabgrass. Safe for use around pets and people once dry, RM18 deactivates on contact with soil, preserving fertility for your desired plants. ## Description When you want fast results with minimal prep, RM18 is your total Weed control solution for unwanted brush, broadleaf plants, & grass. Perfect for lawn replacement, clearing walkways, & leveling weeds along fence lines, buildings, & roadsides, RM18 kills the weeds while leaving fertile soil available for the plants you want–any product not absorbed by the plant will deactivate after it touches the ground.a combination of two herbicides, RM18 starts to kill weeds on contact, producing visible wilting within 12 hours. Kudzu, wild Blackberry, poison ivy, poison oak, Crabgrass, & dandelions (and over 100 other plants) are no match for this product, which is rain fast in thirty Min. There are no entry restrictions to sprayed areas for pets or people after the spray has dried.for best results, be sure the spray solution contacts all of the foliage you wish to kill. ## Features - Makes up to 106 gallons to ready-to-use spray solution - Treats up to 31,8000 square feet - Visible results in 12 hours - For best results apply on a warm, sunny day when wind is calm and weeds are actively growing. For easy to kill weeds such as small seedlings, use the lowest recommended rate (3 fl oz in 1 gallon of water). Use the maximum recommended rate for larger, harder-to-kill weeds (6 fl oz in 1 gallon of water) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07BBFCK54 | | Active Ingredients | Herbicide | | Best Sellers Rank | #52,204 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #335 in Weed Killers | | Brand Name | RM18 | | Coverage | 318000 square feet | | Customer Reviews | 4.5 4.5 out of 5 stars (404) | | Included Components | CHEMICAL BOTTLE | | Item Form | Spray | | Item Type Name | Herbicide | | Item Weight | 23.3 pounds | | Liquid Volume | 320 fluid ounces | | Manufacturer | Ragan & Massey, Inc. | | Model Number | 75437 | | Part Number | 75437 | | UPC | 737716754377 | | Unit Count | 320 Fluid Ounces | ## Product Details - **Active Ingredients:** Herbicide - **Brand:** RM18 - **Item Form:** Spray - **Item Weight:** 23.3 pounds - **Liquid Volume:** 320 fluid ounces ## Images ![RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon - Image 1](https://m.media-amazon.com/images/I/911H9vMJnrL.jpg) ## Frequently Bought Together - RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon - RM43 43-Percent Glyphosate Plus Weed Preventer Total Vegetation Control, 2.5-Gallon - D.B. Smith FIELD KING 190328 Backpack Sprayer, 4 Gallon, --- ## 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.hk/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5](https://www.desertcart.hk/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-08-17*