Gtechniq W4 Citrus Foam is a pH-neutral pre-wash designed to break down stubborn grime, road film, and bug splatter without harming waxes, sealants, or ceramic coatings. By combining powerful citrus degreasers with a rich foaming action, it safely lifts contamination from the surface before contact washing, helping reduce the risk of swirl marks.

Key Benefits

• pH Neutral & Coating Safe: Removes grime without stripping waxes, sealants, or ceramic protection.
• Powerful Citrus Degreasing Action: Breaks down road film, grease, and bug splatter with ease.
• High-Foaming Pre-Wash: Clings to surfaces to loosen dirt before contact washing.
• Versatile Application: Can be used through a foam lance or pump sprayer.
• Highly Dilutable: Effective at ratios up to 10:1 for economical use.

How to Use

1. Use Out of Direct Sunlight: For best results, apply when the vehicle surface is cool.
2. Shake Well: Mix the product thoroughly before use.
3. Prepare Foam Lance: Add approximately 2.5cm (1 inch) of W4 Citrus Foam to your foam lance bottle and fill with warm water.
4. Apply to Vehicle: Spray foam evenly from bottom to top to ensure full coverage.
5. Allow to Dwell: Let the foam sit for 3–5 minutes to break down grime.
6. Rinse Thoroughly: Rinse off with clean water before the product dries on the surface.

PRO TIP: Use W4 Citrus Foam as a pre-wash before contact washing to safely remove heavy grime and reduce the chance of wash-induced swirl marks.