---
product_id: 48872262
title: "500ml (1/2L) takes the GRUNT out of cleaning your boat"
brand: "grunt boat cleaner"
price: "$99"
currency: NZD
in_stock: true
reviews_count: 8
category: "Grunt Boat Cleaner"
url: https://www.desertcart.nz/products/48872262-500ml-1-2l-takes-the-grunt-out-of-cleaning-your
store_origin: NZ
region: New Zealand
---

# penetrates gelcoat safely removes multiple tough stains 500ml powerful formula 500ml (1/2L) takes the GRUNT out of cleaning your boat

**Brand:** grunt boat cleaner
**Price:** $99
**Availability:** ✅ In Stock

## Summary

> 🛥️ Clean smarter, not harder—make your boat the envy of the marina!

## Quick Answers

- **What is this?** 500ml (1/2L) takes the GRUNT out of cleaning your boat by grunt boat cleaner
- **How much does it cost?** $99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/48872262-500ml-1-2l-takes-the-grunt-out-of-cleaning-your)

## Best For

- grunt boat cleaner enthusiasts

## Why This Product

- Trusted grunt boat cleaner brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Multi-Stain Power:** Targets limescale, exhaust, and bird lime stains in one go—ultimate all-in-one cleaner.
- • **Trusted by Boaters:** Highly rated for ease and effectiveness—join the community of satisfied boat owners.
- • **Compact & Convenient:** 500ml size fits perfectly in your cleaning kit for on-the-go maintenance.
- • **Effortless Stain Removal:** Say goodbye to yellow waterline and rust stains with minimal scrubbing.
- • **Gelcoat-Safe Penetration:** Deeply cleans without damaging your boat’s finish—preserve that showroom shine.

## Overview

Grunt 500ml Boat Cleaner is a specialized gelcoat-safe formula designed to effortlessly remove yellow waterline, rust, limescale, exhaust, and bird lime stains. Its penetrating action neutralizes stains without harming your boat’s finish, making maintenance quick and effective for every boating enthusiast.

## Description

Grunt hull cleaner 500ml

Review: Great product - I bought this for my boyfriend and he said it was amazing cleaning his boat.👍
Review: Easy way to clean - Worked very well, cleaned easily without a lot of scrubbing. Quite impressed.

## Features

- 500ml Removes yellow waterline stains, rust stains from fittings, bird lime
- Removes limescale stains, exhaust stains
- Grunt penetrates into the gelcoat to gently neutralize and absorb
- staining without affecting the gelcoat in any way
- Stains are subsequently washed away using a sponge and water

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 500ml |
| Batteries included? | No |
| Brand | Grunt Boat Cleaner |
| Manufacturer | Yellow Dolphin |
| Item model number | CWR-100038 |
| Product Dimensions | 20.32 x 5.08 x 5.08 cm; 589.67 g |
| ASIN | B01EX7DWIC |

## Images

![500ml (1/2L) takes the GRUNT out of cleaning your boat - Image 1](https://m.media-amazon.com/images/I/51EhLE5rkML.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great product
*by R***K on 20 January 2021*

I bought this for my boyfriend and he said it was amazing cleaning his boat.👍

### ⭐⭐⭐⭐ Easy way to clean
*by J***T on 26 April 2017*

Worked very well, cleaned easily without a lot of scrubbing. Quite impressed.

### ⭐⭐⭐⭐⭐ Rust on fibre glass boat
*by J***N on 9 May 2023*

This is very good and simple to use

## Frequently Bought Together

- Grunt Boat Cleaner 500ml (1/2L) takes the GRUNT out of cleaning your boat
- MR.SIGA Heavy Duty Scrub Brush with Comfortable Grip, Cleaning Brush for Bathroom, Shower, Sink, Floor, 2-Pack

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**Shop now:** [https://www.desertcart.nz/products/48872262-500ml-1-2l-takes-the-grunt-out-of-cleaning-your](https://www.desertcart.nz/products/48872262-500ml-1-2l-takes-the-grunt-out-of-cleaning-your)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-19*