---
product_id: 716502563
title: "Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon"
brand: "rm18"
price: "R7201"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/716502563-fast-acting-weed-and-grass-killer-herbicide-2-5-gallon
store_origin: ZA
region: South Africa
---

# Optimal application on warm, sunny days Covers up to 318,000 sq ft Visible results in 12 hours Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon

**Brand:** rm18
**Price:** R7201
**Availability:** ✅ In Stock

## Summary

> 🌿 Kill weeds fast, live lawn proud.

## Quick Answers

- **What is this?** Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon by rm18
- **How much does it cost?** R7201 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/716502563-fast-acting-weed-and-grass-killer-herbicide-2-5-gallon)

## 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 & Ready:** Rain fast in 30 minutes with no entry restrictions after drying—get back to your day, worry-free.
- • **Safe Soil, Smart Formula:** Kills weeds without harming soil fertility—your garden’s future stays bright.
- • **Massive Coverage, Minimal Effort:** Treat up to 318,000 sq ft with just one 2.5-gallon concentrate—scale your lawn care like a pro.
- • **Precision Control for Every Weed:** Adjust concentration from 3 to 6 fl oz per gallon to tackle everything from seedlings to stubborn brush.
- • **Rapid Action, Instant Satisfaction:** See weeds wilt within 12 hours—because your time is valuable.

## Overview

This 2.5-gallon fast-acting herbicide concentrate transforms into up to 106 gallons of spray solution, effectively treating up to 318,000 sq ft. It delivers visible weed control results within 12 hours, targeting over 100 weed types including tough invaders like poison ivy and kudzu. Designed for optimal use on warm, calm days, it’s rain fast in 30 minutes and safe for soil, allowing immediate re-entry after drying.

## Description

Fast-Acting Weed & Grass Killer Herbicide, 2.5-gallon

## 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 | #79,950 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #400 in Weed Killers |
| Brand Name | RM18 |
| Coverage | 318000 square feet |
| Customer Reviews | 4.5 4.5 out of 5 stars (391) |
| 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 | 320.0 Fluid Ounces |

## Product Details

- **Brand:** RM18
- **Item weight:** 23.25 Pounds
- **Liquid volume:** 320 Fluid Ounces
- **Item form:** Spray
- **Active Ingredients:** Herbicide

## Images

![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
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**Shop now:** [https://www.desertcart.co.za/products/716502563-fast-acting-weed-and-grass-killer-herbicide-2-5-gallon](https://www.desertcart.co.za/products/716502563-fast-acting-weed-and-grass-killer-herbicide-2-5-gallon)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-04-23*