---
product_id: 79620609
title: "RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon"
brand: "rm18"
price: "$U11720"
currency: UYU
in_stock: true
reviews_count: 8
category: "Rm18"
url: https://www.desertcart.uy/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5
store_origin: UY
region: Uruguay
---

# Optimal on warm, sunny days Makes up to 106 gallons spray solution Visible results in 12 hours RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon

**Brand:** rm18
**Price:** $U11720
**Availability:** ✅ In Stock

## Summary

> 🌿 Kill weeds fast, live lawn proud.

## Quick Answers

- **What is this?** RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon by rm18
- **How much does it cost?** $U11720 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/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

- • **Rain Fast Formula:** Rainproof in 30 minutes—no weather delays, no excuses.
- • **Safe & Socially Smart:** No entry restrictions post-dry—safe for pets and people, so you can relax.
- • **Dual-Strength Flexibility:** Adjust concentration for seedlings or stubborn weeds—precision control for pros.
- • **Massive Coverage, Minimal Effort:** Treats up to 318,000 sq ft with just one bottle—your lawn’s new best friend.
- • **Rapid Action, Instant Satisfaction:** Sees weed wilting within 12 hours—because waiting is so last season.

## Overview

RM18 Fast-Acting Weed & Grass Killer is a powerful 2.5-gallon herbicide that creates up to 106 gallons of spray solution, covering an impressive 318,000 square feet. It delivers visible weed wilting within 12 hours and is rain fast in just 30 minutes. Its dual herbicide formula targets over 100 weed types, including tough invaders like poison ivy and kudzu, while leaving soil fertile and safe for pets and people after drying.

## 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.

Review: Weed killer - Good price
Review: Review - Excellent stuff. Works great.

## 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 | #39,948 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #187 in Weed Killers |
| Brand | RM18 |
| Customer Reviews | 4.5 4.5 out of 5 stars (376) |
| Item Form | Spray |
| Item Weight | 23.2 pounds |
| Item model number | 75437 |
| Liquid Volume | 320 Fluid Ounces |
| Manufacturer | Ragan & Massey, Inc. |
| Product Dimensions | 7 x 9 x 14.5 inches |
| UPC | 737716754377 |
| Unit Count | 320.0 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/51ga42p6coL.jpg)
![RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon - Image 2](https://m.media-amazon.com/images/I/71MZP4Nbb8L.jpg)
![RM18 Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon - Image 3](https://m.media-amazon.com/images/I/911H9vMJnrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Weed killer
*by G***E on November 22, 2025*

Good price

### ⭐⭐⭐⭐⭐ Review
*by K***Y on October 29, 2025*

Excellent stuff. Works great.

### ⭐⭐⭐⭐⭐ Love this stuff, use it at all of my properties
*by J***K on October 4, 2025*

Kills weeds in like 6 hours

## 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,

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**Shop now:** [https://www.desertcart.uy/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5](https://www.desertcart.uy/products/79620609-rm18-fast-acting-weed-and-grass-killer-herbicide-2-5)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-22*