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W4 Citrus Foam v2 - Case

Sale price $79.02

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Gtechniq W4 Citrus Foam v2 delivers an advanced, high-foaming pre-wash experience without hassle. Developed over almost 5 years and refined through 34 trial formulations, 115 car wash assessments, and 1,550 gloss measurements, this next-generation snow foam delivers 22% more dirt removal and an ultra-dense foam blanket that clings longer to vertical surfaces. Formulated with advanced bio-based sugar surfactants rather than traditional fossil-fuel-derived chemistry, W4 v2 combines enhanced detergency with superior hard-water compatibility while remaining 100% biodegradable and completely safe for ceramic coatings, waxes, and sealants. With outstanding pH-neutral cleaning power and citrus degreasing, it creates a robust barrier against wash-induced marring, ensuring stubborn road grime, bug splatter, and traffic film break down smoothly and effortlessly, keeping your paintwork performing at its absolute best. Safe on all automotive exterior surfaces, paintwork, wraps, and delicate finishes, this citrus foam is a must-have for workflows that demand attention. 

Why You’ll Love It:

  • Saves time with 22% more dirt removal that softens and dissolves stubborn road film and bug splatter smoothly
  • Stretches dwell time farther with an improved ultra-dense foam blanket that clings longer across vertical panels
  • Delivers deep, non-contact pre-wash cleaning power while remaining 100% safe on ceramic coatings, waxes, and sealants
  • Tremendous hard-water compatibility maintains rich, stable foam volume even in mineral-heavy water conditions
  • Eco-friendly formula utilizes bio-based sugar surfactants for a sustainable, high-performance cleaning approach
  • Non-caustic, pH-neutral citrus cleaning action provides an enjoyable, swirl-free contact-wash prep experience
  • Perfect for mobile pros and enthusiasts who want maximum cleaning performance without stripping protection 

Product Specs

  • Product Type: High-Density Citrus Pre-Wash Snow Foam 
  • Surfactant Chemistry: Next-Generation Bio-Based Sugar Surfactants 
  • pH Profile: 100% pH Neutral 
  • Coating Safe: Yes (Safe on Ceramic Coatings, Sealants, Waxes, and PPF) 
  • Hard-Water Compatible: Yes (Optimized for High-Mineral Water Sources) 
  • Biodegradable: Yes 
  • Country of Origin: UK 

Recommended Dilution Ratios:

  • Foam Cannon / Lance: Dilute 1:10 up to 1:5 in your foam cannon bottle depending on soil level 
  • Pump Sprayer / Pre-Spray: Dilute 1:20 for general road film and light pre-wash decontamination 

How to Use

  • Shake the bottle thoroughly before measuring out concentrate 
  • Ensure the vehicle is parked out of direct sunlight and paintwork is cool to the touch 
  • Dilute W4 Citrus Foam v2 to the recommended ratio in your foam cannon or pump sprayer 
  • Do not allow foam suds to dry on exterior paint, glass, trim, or plastic surfaces 
  • Wear appropriate eye and hand protection during chemical handling and dispensing 
  • Always test on a small hidden area first 

Application: 

  • STEP 1 – DILUTE: Add 100mL of W4 Citrus Foam v2 into your 1L foam cannon bottle and fill the remainder with warm water (approx. 1:10 dilution). 
  • STEP 2 – APPLY FOAM: Connect your foam cannon to your pressure washer and apply a thick, even blanket of foam across the vehicle, starting from the bottom and working upward. 
  • STEP 3 – DWELL: Allow the dense foam to dwell for 3 to 5 minutes, giving the bio-based surfactants time to encapsulate dirt, road film, and grit. 
  • STEP 4 – RINSE THOROUGHLY: Before the foam dries, rinse the entire vehicle thoroughly with high-pressure water from the bottom up, finishing with a top-down flush. 
  • STEP 5 – CONTACT WASH: Follow with your standard two-bucket contact wash using Gtechniq G-Wash or your favorite maintenance shampoo. 

Safety Information

Warranty

Within 30 days from purchase: TRC will replace items damaged in shipping upon inspection of photos. Opened, used, or partially used products excluded, as well as any degradation from storage or environmental exposure; customer dissatisfaction with scent, color, or consistency; misuse.

After 30 days: no warranty applies.

Note: No manufacturer warranty is provided beyond shipping damage replacement. No guarantees are made for product longevity, performance, or fitness for a particular purpose.

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