---
product_id: 323626347
title: "Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam"
brand: "gtechniq"
price: "A$439"
currency: AUD
in_stock: true
reviews_count: 5
category: "Gtechniq"
url: https://www.desertcart.com.au/products/323626347-gtechniq-w4-citrus-foam-5000ml-high-content-foaming-agent-removes
store_origin: AU
region: Australia
---

# Max gloss retention, non-caustic Citrus-based biodegradable formula 5000ml high-content foam Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam

**Brand:** gtechniq
**Price:** A$439
**Availability:** ✅ In Stock

## Summary

> 🍊 Elevate your car wash game with citrus-powered shine!

## Quick Answers

- **What is this?** Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam by gtechniq
- **How much does it cost?** A$439 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/323626347-gtechniq-w4-citrus-foam-5000ml-high-content-foaming-agent-removes)

## Best For

- gtechniq enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Application:** Dilutes up to 1:400 for foam lance use—professional results at home
- • **Gloss That Turns Heads:** Non-caustic formula locks in shine and minimizes surface abrasion
- • **Sealant-Safe pH Neutral:** Protects your premium coatings and waxes while deep cleaning
- • **Eco-Friendly Citrus Clean:** 100% biodegradable, tough on grime but gentle on the planet
- • **Powerful 5000ml Foam Blast:** Generous volume for multiple washes—never run out mid-clean

## Overview

Gtechniq W4 Citrus Foam is a 5000ml high-foaming, pH neutral car wash solution that removes tough dirt and road grime effortlessly. Its 100% biodegradable citrus formula is safe for all Gtechniq coatings and waxes, ensuring maximum gloss retention without harsh chemicals. Designed for easy use with foam lances or sprayers, it delivers a showroom finish while being eco-conscious.

## Description

W4 Citrus Foam is a pH neutral formula that removes hard to shift grime, without damaging sealants, coatings or waxes. It combines an effective citrus degreaser with a strong foaming agent making it tough on road grime and bug spatter, but kind to waxes and coatings. It can be used at a dilution of up to 1:400 through a foam lance, or up to 1:25 through a pump sprayer.

Review: It’s a good product that works well
Review: Perfect snow foam to use maybe twice a year, during and after the winter months as it is extremely effective in removing grime and salt deposits which will accrue on paintwork at that time. Not to say it can't be used at any time of the year, but I prefer to keep it for when it's needed most. Great value by buying this larger amount.

## Features

- STRONG FOAMING AGENT: The Gtechniq W4 Citrus Foam is a powerful car wash cleaning product that provides you with a high foam content that is unlike most traditional pre-wash snow foams that come loaded with caustic chemicals. W4 Citrus Foam boasts a supreme dirt and grime removal formula that is 100% biodegradable, and removes hard to shift dirt and grime from your vehicle’s paintwork, leaving you with a crystal clear finish
- USE WITH ANY GTECHNIQ COATING: W4 Citrus Foam is comprised of a pH neutral formula that is tough on dirt, road grime and bug spatter, and is specifically formulated to work in harmony with Gtechniq’s wide range of sealants, coatings and waxes. Feel confident when you apply this product, and enjoy a clinically clean finish, with your car looking like it’s just left the showroom
- MAXIMUM GLOSS RETENTION: The W4 Citrus Foam has a non-caustic formula that combines an effective citrus degreaser with a strong foaming agent. This exact combination ensures maximum gloss retention through the excellent lubrication of dirt particles, which in turn minimises the surface abrasion, and maximises gloss retention
- EASY TO APPLY: Shake product well before using this product, and do not apply in direct sunlight, for best results use in a snow foam lance. Decant one inch (2.5cm) of W4 into a foam lance and fill with warm water. Spray onto the lower surfaces of your car and work upwards. Leave the foam to dwell on the surface for three to five minutes, and then rinse thoroughly with clean water to remove all surfactants. Do not allow the product to dry to the car
- 100% CUSTOMER SATISFACTION: We at Gtechniq are as passionate about the quality of our products as we are about the assistance and stellar service that we provide to each and every one of our customers

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00Q2RJ4HU |
| ASIN  | B00Q2RJ4HU |
| Best Sellers Rank | #51,629 in Automotive ( See Top 100 in Automotive ) #456 in Automotive Cleaners |
| Brand | Gtechniq |
| Customer Reviews | 4.5 4.5 out of 5 stars (322) |
| Customer reviews | 4.5 4.5 out of 5 stars (322) |
| Date First Available | 16 February 2017 |
| Format | Liquid |
| Item model number  | W4 5 |
| Manufacturer  | Gtechniq |
| Product Dimensions  | 19 x 15 x 25 cm; 5.22 kg |
| Product Name | Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam |
| Units | 169 Fluid Ounces |
| Volume | 1 Milliliters |
| Weight | 5.22 Kilograms |

## Product Details

- **Brand:** Gtechniq
- **Item form:** Liquid
- **Material features:** Biodegradable
- **Scent:** Citrus
- **Specific uses for product:** Automotive Exterior

## Images

![Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam - Image 1](https://m.media-amazon.com/images/I/612YuDUU5rL.jpg)
![Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam - Image 2](https://m.media-amazon.com/images/I/71NVBNntFfL.jpg)
![Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam - Image 3](https://m.media-amazon.com/images/I/81f7uiw0iRL.jpg)
![Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam - Image 4](https://m.media-amazon.com/images/I/91Bhpfm6n+L.jpg)
![Gtechniq W4 Citrus Foam 5000ml - High Content Foaming Agent, Removes Dirt and Road Grime Effortlessly - 100% Biodegradable Ingredients, Non-Caustic Formula - Maximum Gloss Retention Snow Foam - Image 5](https://m.media-amazon.com/images/I/91Kzllf32AL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***D on 3 November 2025*

It’s a good product that works well

### ⭐⭐⭐⭐⭐ Review
*by S***J on 21 June 2025*

Perfect snow foam to use maybe twice a year, during and after the winter months as it is extremely effective in removing grime and salt deposits which will accrue on paintwork at that time. Not to say it can't be used at any time of the year, but I prefer to keep it for when it's needed most. Great value by buying this larger amount.

### ⭐⭐⭐⭐⭐ Review
*by G***Y on 6 January 2026*

Great shampoo

## Frequently Bought Together

- Gtechniq - W4 Citrus Foam - High Content Foaming Agent, Removes Dirt and Road Grime, Non-Caustic Formula, Maximum Gloss Retention Snow Foam (5 Liter)
- Gtechniq W6 Iron and General Fallout Remover for Cars, Brake Dust Degreaser and Cleaner for Wheels, Rims and Paintwork, Safe on Coatings, 500ml
- GTECHNIQ W1 GWash - High Foam Content; Breaks Bond Between Dirt Film and Paintwork; Lubricates for Minimal Surface Abrasion; Maximum Gloss Retention; Reduced Micro Scratching (5 Liters)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-07*