Will FSE strip away my existing carnauba wax or ceramic coating?

No, FSE is chemically engineered to target mineral scale and surface contamination without breaking down fully cured nano-ceramic coatings or durable paint sealants. It acts as an excellent maintenance topper to preserve underlying protection.

Can I use this product as a drying aid while the car is still wet?

Yes, misting a light layer of FSE across wet panels immediately after the final rinse acts as a highly effective drying aid. It neutralizes hard water minerals as you dry the vehicle with a microfibre drying towel, preventing water spots from forming.

Is FSE safe to use on matt or satin finish paintwork and wraps?

Because FSE contains active gloss-enhancing polymers designed to leave a brilliant shine, using it on dedicated matt or satin finishes can introduce unwanted patchy glossing. For matt vehicles, always use a dedicated matt paint quick detailer.

Why does the spray occasionally leave light streaks on warm paintwork?

If applied to hot panels in direct sunlight, the carrier liquid evaporates too rapidly, leaving the concentrated protective polymers sitting unevenly on the surface. Simply re-mist the area lightly with FSE in the shade and buff immediately with a dry cloth to clear the finish.

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Koch Chemie FSE Finish Spray Exterior

Professional Quick Detailer with Limescale Remover

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Koch Chemie FSE Finish Spray Exterior is an authoritative all-round quick detailing spray engineered for the rapid cleaning, maintenance, and preservation of exterior vehicle finishes. Formulated specifically for detailing professionals and capable enthusiasts, its advanced chemistry effortlessly dissolves stubborn limescale stains and water spots while leaving behind a smooth, brilliant, streak-free gloss.

Key Features

Instant Limescale Dissolution: Features specialized, active descaling agents that break down and strip away stubborn water spots and mineral deposits instantly without leaving any chemical residue behind.
Single-Step Maintenance: Cleans, nourishes, and protects multiple exterior surfaces simultaneously, heavily cutting down post-wash prep times in busy valeting environments.
Brilliant Streak-Free Gloss: Revitalises existing clear coats to restore deep colour richness, finishing to a remarkably smooth, mirror-like gloss free from unsightly smudges or smears.
Protective Barrier Layer: Lays down a highly stable conservation shield across the panel that actively repels water and prevents new dirt and airborne pollutants from bonding easily.
Broad Exterior Compatibility: Exceptionally safe and effective across standard automotive paintwork, exterior glass panels, exterior trim plastics, polished brightwork, and alloy wheels.

DETAILED DESCRIPTION →

£14.99 GBP

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Taxes included. Shipping calculated at checkout.

Shipping Information

What Are My Shipping Options?

In-Store Pickup

In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00.

An email confirmation will be sent when your order is ready for collection.

Free Shipping

We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.

Shipping Fees

We also offer shipping at the following rates:

Standard-Size Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days -£23.99

Large Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days - £69.99

Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.

International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.

International orders to the rest of the world will normally be sent with DPD or UPS.

Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.

Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.

Dispatch Times

Orders placed before 15:00 Monday - Friday will be shipped on the same day.

Orders placed after this time will be shipped on the following business day,

Please note, we are closed at weekends, as well as English Bank Holidays.

Returns Policy

Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.

Further Information

You can contact us for further information on our shipping policies using the following:

Phone: 01953 711 881

Email: sales@esupplyline.com

Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.

Contact Form: https://esupplyline.com/pages/contact

View full details

Description

Authoritative Finish Care and Mineral Stripping
Even after a meticulous wash, hard water rinse runoff frequently leaves behind unsightly chalky limescale stains and persistent water spots that ruin a vehicle's final presentation. Standard detailing sprays frequently smear these mineral deposits rather than removing them. Koch Chemie FSE Finish Spray Exterior provides a highly specialized, dual-action solution. Operating through optimized chemical solvency, it attacks calcium and mineral structures directly, dissolving baked-on water rings instantly while lifting residual light dust and fingerprints to leave the exterior finish completely unblemished.

Restoring Deep Optical Clarity and Sleekness
A pristine exterior finish relies on highly consistent optical reflection. Beyond its exceptional descaling capabilities, FSE incorporates sophisticated gloss-enhancing polymers that condition the upper boundary layer of the clear coat. As the spray is buffed across the panel, it darkens faded pigments and imparts a noticeable smoothness to the touch. This smooth finish allows detailing towels to glide effortlessly, ensuring a perfectly uniform wipe-down that enhances natural metallic flake pop and deep gloss reflections.

Optimised for Professional Valeting Efficiency
In fast-paced detailing bays and mobile valeting operations, quick detailers must apply predictably without hazing over or requiring intensive secondary buffing. FSE delivers superb handling, flashing off rapidly to leave a clean, streak-free surface even under standard outdoor valeting conditions. Supplied in a highly ergonomic 1-litre professional container, it allows valeting teams to achieve flawless, repeatable final prep across prestige client vehicles while locking in a robust layer of protection against upcoming environmental exposure.

More Information

Application Instructions

Preparation: Ensure the vehicle panels are cool to the touch and out of intense direct sunlight to prevent the liquid from flashing off before it can dissolve targeted mineral spots. Shake the 1-litre spray bottle thoroughly before use.

Dispensing: Spray FSE sparingly and evenly directly onto the exterior paintwork, glass, or plastic trim panels.

Wiping: Using a dedicated, clean, deep-pile microfibre detailing cloth, spread the solution smoothly across the panel to lift light contaminants and dissolve mineral marks.

Buffing: Flip your microfibre towel to a dry, clean side and buff the treated surface firmly to a brilliant, streak-free finish. For localized, highly concentrated limescale spotting, allow the liquid to dwell briefly for a few seconds before wiping clear.

Specifications

Product Type: Exterior Quick Detailer & Limescale Remover

Contents: 1 Litre Bottle

Consistency: Highly mobile liquid spray

Finish Profile: High gloss, smooth touch

Chemical Profile: Enriched with active limescale descaling agents and protective gloss additives

Application Scope: Automotive body panels, side windows, windscreens, door perimeters, smooth exterior trim plastics, and alloy wheels

Compatible Materials: Clear-coated paintwork, single-stage lacquers, exterior glass finishes, hard acrylic panels, chrome brightwork, and exterior vinyl wraps

HS Code: 340530

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Koch Chemie FSE Finish Spray Exterior