Koch-Chemie Green Star GS 1L – Concentrated All Purpose Cleaner (APC), Pre-Wash & Degreaser

Koch-Chemie Green Star GS – 1 Litre

Professional Concentrated All Purpose Cleaner, Car Pre-Wash & Degreaser

One cleaner. Multiple applications. Outstanding cleaning performance!

Discover the incredible versatility of Koch-Chemie Green Star GS, a powerful, highly concentrated alkaline all-purpose cleaner trusted by professional detailers and car care enthusiasts.

Designed to tackle stubborn dirt, road grime, grease, oil and everyday contamination, Green Star is one of the most versatile cleaning products in the Koch-Chemie range.

Whether you’re cleaning your vehicle’s exterior, tackling dirty wheel arches, removing road grime before washing or deep-cleaning suitable interior surfaces, Green Star delivers impressive cleaning performance.

With a concentrated formula that can be diluted according to the cleaning task, this 1 Litre bottle offers excellent value for money.

⭐ Why Choose Koch-Chemie Green Star?

✅ Powerful All Purpose Cleaner – Suitable for a wide range of vehicle cleaning applications.

✅ Highly Concentrated Formula – Dilute according to the level of contamination and intended use.

✅ Excellent Pre-Wash Cleaner – Helps loosen stubborn road grime before contact washing.

✅ Effective Degreaser – Tackles grease, oil and stubborn dirt on suitable surfaces.

✅ Interior & Exterior Applications – Suitable for approved vehicle surfaces when correctly diluted.

✅ Wheel Arch & Engine Bay Cleaning – Helps remove accumulated grime and oily contamination.

✅ Economical 1 Litre Size – Makes multiple litres of ready-to-use cleaning solution.

✅ Professional Koch-Chemie Quality – Developed in Germany for demanding cleaning applications.

🚗 Perfect for Exterior Car Cleaning

Your vehicle is constantly exposed to road dirt, traffic film, grease, mud and contamination.

Koch-Chemie Green Star is an excellent product for the pre-wash stage, helping break down stubborn dirt before you touch the paintwork with a wash mitt.

Ideal exterior applications include:

• Vehicle pre-washing
• Wheel arches and inner wheel wells
• Engine bay cleaning
• Door shuts and sills
• Suitable exterior plastics
• Heavily soiled areas
• Removal of road grime and traffic film

Why pre-wash?

Removing as much loose dirt and grime as possible before contact washing helps reduce the amount of contamination dragged across the paintwork.

This is especially useful during winter when vehicles become covered in road salt, mud and traffic film.

🧽 Interior Cleaning with Green Star

Green Star can also be used for selected interior cleaning tasks when diluted appropriately.

Suitable applications may include:

• Interior plastics
• Rubber floor mats
• Footwell areas
• Suitable upholstery and textile surfaces
• General interior dirt and grime

Always check surface compatibility, follow the manufacturer’s dilution instructions and test in an inconspicuous area before use.

Avoid using on sensitive materials such as leather, Alcantara, delicate finishes and displays unless specifically approved.

💪 Powerful Degreasing Performance

Green Star is particularly effective when tackling stubborn oily contamination.

Its alkaline cleaning formula helps break down grease and dirt on suitable surfaces, making it useful for cleaning engine compartments, wheel arches and other heavily contaminated areas.

For the best results, select the appropriate dilution and use a suitable detailing brush or cleaning accessory.

💧 Koch-Chemie Green Star Dilution Guide

One of Green Star’s biggest advantages is its concentrated formula.

Manufacturer guidance for common applications:

Application	Dilution
Vehicle exterior and engine cleaning	1:5 to 1:30
Vehicle interior and textile cleaning	1:10 to 1:20

Dilutions are expressed as 1 part product to the stated number of parts water.

Example: Making 1 Litre of Ready-to-Use Cleaner

• 1:5 – Approximately 167ml Green Star + 833ml water
• 1:10 – Approximately 91ml Green Star + 909ml water
• 1:20 – Approximately 48ml Green Star + 952ml water
• 1:30 – Approximately 32ml Green Star + 968ml water

Always use the weakest effective dilution and consult the current product label for your particular application.

🧴 How to Use Koch-Chemie Green Star

Step 1 – Choose Your Dilution

Dilute Green Star with water according to the cleaning task and the manufacturer’s instructions.

Step 2 – Apply to the Surface

Apply the diluted solution using a suitable chemical-resistant sprayer or approved cleaning equipment.

Step 3 – Allow Time to Work

Allow a short dwell time so the cleaner can loosen dirt and contamination.

Step 4 – Agitate if Required

For stubborn dirt, gently agitate using a suitable detailing brush, wash mitt or cleaning accessory.

Step 5 – Rinse or Remove Thoroughly

For exterior applications, rinse thoroughly with water. For interior applications, remove residues using an appropriate method for the surface.

Important: Never allow Green Star to dry on the surface. Avoid use on hot surfaces or in direct sunlight. Wear suitable protective equipment and test sensitive surfaces before application.

❄️ Excellent for Winter Car Cleaning

During the colder months, vehicles are exposed to road salt, traffic film, mud and stubborn grime.

Green Star is an effective addition to your winter washing routine, helping loosen heavy contamination before contact washing.

For particularly dirty vehicles, a suitable pre-wash cleaner can make a significant difference to the cleaning process.

🔍 Product Specifications

Brand: Koch-Chemie
Product: Green Star GS
Size: 1 Litre / 1000ml
Product Code: 25001
Product Type: Concentrated All Purpose Cleaner
Cleaner Type: Alkaline
pH: Approximately 12.5 (concentrate)
Main Uses: Pre-Wash, Degreasing, Interior & Exterior Cleaning
Dilution: Application Dependent
Country of Brand Origin: Germany

🛒 Buy Koch-Chemie Green Star at Protect & Shine Car Care

At Protect & Shine Car Care, we stock a fantastic selection of Koch-Chemie car cleaning products, including professional shampoos, snow foams, wheel cleaners, interior cleaners, polishing compounds and paintwork protection products.

Whether you’re looking for a powerful pre-wash cleaner, an effective all-purpose cleaner or professional car cleaning accessories, explore our growing Koch-Chemie range.

Protect & Shine Car Care
47 Bankhead Drive
City South
Aberdeen
AB12 4XX

Your Local Independent Car Detailing Products Store

Shop online for UK delivery or visit our Aberdeen store for quality car care products and friendly advice.