Nerta Carshampoo 20% is a concentrated pH-neutral car shampoo with 20% active surfactant content — a heavy-duty contact wash that lifts dirt, salt and road film safely from cars, vans and commercial vehicles without stripping wax, sealant or ceramic coatings. The high active concentration delivers excellent cleaning power per drop, making it a cost-effective workhorse shampoo for valeting bays, fleet operators and mobile detailers who wash high volumes of vehicles every week. This is a concentrated formula and must be diluted before use. Why detailers choose Carshampoo 20% 20% active content — stronger cleaning per drop than standard shampoos pH-neutral and sealant-safe — protects existing wax, sealant and ceramic coatings Excellent on winter salt, road grime and traffic film Concentrated for low cost-per-wash on busy fleets Compatible with sponge, brush, two-bucket method and wash systems Suitable for cars, vans, motorhomes and commercial vehicles How to use Carshampoo 20% Pre-rinse the vehicle thoroughly with clean water. Dilute Carshampoo 20% as required depending on application (typically 1:200 in a bucket). Apply using a clean sponge, wash brush or wash system. Rinse off thoroughly with clean water. Dry with a soft microfibre towel for a streak-free finish. Specifications Type: concentrated pH-neutral car shampoo (20% active content) Sizes: 5L, 20L, 200L, 1000L (see variants) Dilution: 1:100–1:500 pH: ~7.5 (neutral) Scent: characteristic Compatibility: bucket wash, sponge, brush, wash system Use on: cars, vans, commercial vehicles, fleet FAQs Why does the 20% active content matter for daily fleet washing?Higher active concentration means each litre of concentrate produces noticeably more wash solution at the same cleaning power, so fleet operators see a measurable drop in chemical cost per vehicle. How does it perform on dried-on winter road salt?It excels at lifting salt residues without aggressive acids or alkalis — ideal for winter washing on protected paint where harsher chemistry could risk strips on coatings. Is it suitable for use through an automatic brush wash system?Yes — the formula is compatible with brush systems and wash arches when dosed at the manufacturer’s recommended dilution rate for that equipment. Will it foam well in soft water as well as hard water areas?Foam levels are slightly lower in hard-water regions but cleaning power remains consistent. For maximum foam in hard water, slightly increase concentration or pre-soften with a foam booster. UK stock and fast dispatch from SnowFoam UK on every order.
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