UV Fluorescent Clear Tracers

The colorless UV fluorescent tracer is an effective solution for locating a leak, tracking abnormal water flow or detecting an infiltration without visibly staining surfaces. Invisible to the naked eye and revealed under a UV lamp, it makes non-destructive diagnostics easier on water networks, pipes, roofs, terraces and waterproofing areas. At Fluotechnik, we offer a selection of colorless fluorescent tracers designed for professionals involved in leak detection, construction, maintenance, waterproofing and technical diagnostics.

Precise detection under UV light

More easily identify abnormal flow, micro-leaks and infiltrations, even when they are difficult to see under normal conditions.

Invisible to the naked eye

The tracer is designed to remain discreet on surfaces and only become visible during inspection under ultraviolet light.

Suitable for many water-related applications

Water network inspections, pipe leak detection, infiltration diagnosis, waterproofing tests and technical inspections.

Non-destructive method

A solution designed to support diagnostics without heavy dismantling, unnecessary damage or invasive intervention.

Expert technical support

Fluotechnik helps you choose the right colorless UV fluorescent tracer according to your application, substrate and working conditions.

Lecture visuelle rapide

Repérez plus facilement les écoulements, zones humides et points de passage grâce à un marquage coloré immédiatement exploitable.

Visibilité renforcée sur le terrain

Le traceur coloré permet un contrôle plus direct, avec une lecture à l’œil nu et un appui possible sous UV selon les références et les contextes.

Adapté aux usages liés à l’eau

Recherche de fuite sur réseau, traçage de canalisation, contrôle d’étanchéité, infiltration, inspection technique et maintenance.

Méthode de diagnostic ciblée

Une solution pensée pour mieux localiser l’origine d’un problème et orienter plus rapidement l’intervention.

Accompagnement technique expert

Fluotechnik vous aide à choisir le bon colorant fluorescent selon votre usage, votre support et vos contraintes d’intervention.

Our range of colorless UV fluorescent tracers for water

To meet different leak detection, infiltration detection and UV inspection needs, Fluotechnik offers a selection of colorless fluorescent tracers specially designed for water network applications and areas to be tested. This range allows professionals to work in a variety of contexts, whether for waterproofing diagnostics, pipe inspections, micro-leak detection or technical building inspections. Each reference has been selected to provide strong visibility under UV light, easy on-site use and performance suited to professional requirements. You can therefore compare the different Fluotechnik colorless UV tracers according to your intervention method, the type of installation involved, the nature of the inspection to be carried out and the level of precision required to locate the leak or infiltration.

Colorless fluorescent tracers to detect water leaks without damaging installations

Colorless UV fluorescent tracers for water are used to locate a leak, track abnormal flow or highlight an infiltration as part of a non-destructive diagnostic process. Their main advantage is that they can be read under a UV lamp while remaining invisible to the naked eye, making them especially suitable when you need to work cleanly, without visible staining of surfaces or aesthetic alteration of materials.

This category is intended for professionals who need to detect a leak on a water network, inspect a pipe, check waterproofing or analyse an infiltration on a roof, terrace or technical area. The fluorescent tracer is introduced into the circuit or applied depending on the intervention context, then observed under ultraviolet light to more easily identify the path of the liquid and the leak exit point. Choosing a colorless UV tracer for water is particularly relevant when visual discretion matters as much as diagnostic precision. While a coloured tracer may be preferred for immediate visibility, a colorless tracer is better suited to situations where the appearance of materials must be preserved, visible marks must be limited and leak detection must remain cleaner on site.

How do you use a colorless UV fluorescent tracer to detect a leak?

A colorless UV fluorescent tracer helps identify the path of water, track abnormal flow and locate a leak or infiltration more precisely. Used with a UV lamp, this detection method is appreciated for its ease of use and non-destructive nature. It allows professionals to work on a water network, a pipe or a waterproofing area without unnecessary breakage, while making the diagnostic process easier to interpret.

Step 1 - Introduce the tracer into the water circuit or onto the area to be inspected

The fluorescent tracer is injected into the water or applied according to the protocol suited to the situation. It can be used on a network, pipe, infiltration area, roof, terrace or any other installation where the aim is to understand the path of the water. The fluorescent liquid naturally follows the route taken by the flow.

Step 2 - Let the tracer circulate to reveal the leak path

Once diffused, the tracer follows the water through the circuit or the area concerned. This circulation helps reveal passage points, waterproofing defects, micro-leaks or infiltrations that are difficult to identify with the naked eye. This stage is particularly useful when the leak is intermittent, not very visible or located in a technically complex environment.

Step 3 - Observe the fluorescence under a UV lamp

The inspection is then carried out using a UV lamp, which reveals the fluorescence of the colorless tracer. Damp areas, leak exit points, abnormal flows or waterproofing defects become easier to identify. This ultraviolet reading saves time and improves inspection accuracy, especially on pipes, water networks and sensitive surfaces.

Step 4 - Identify the source of the problem and target the intervention

Once the leak or infiltration area has been identified, the intervention can be focused in the right place. This helps professionals avoid unnecessary investigations, non-essential openings and invasive operations. A colorless UV tracer is therefore an effective solution for carrying out clean, fast and accurate diagnostics without damaging installations.

Why choose a Fluotechnik colorless UV fluorescent tracer?

Choosing a fluorescent tracer suited to leak detection means gaining diagnostic accuracy, working comfort and better on-site readability. Fluotechnik selects solutions designed for professionals looking for an effective fluorescent liquid for water, easy to use and compatible with a non-destructive inspection approach. Our range combines visual discretion, UV performance and technical support to help you work in the best possible conditions.

Invisible to the naked eye, visible under UV

An ideal solution when you need to detect a leak or infiltration without visibly staining surfaces under normal conditions.

Designed for water leak detection

Tracers developed for water networks, pipes, waterproofing inspections and infiltration areas in building environments or technical maintenance.

Compatible with non-destructive diagnostics

The tracer helps locate a leak without heavy dismantling, unnecessary damage or invasive work on installations.

No visible marking under normal conditions of use

Using a colorless tracer allows clean work on surfaces where visual discretion is important.

Easy to use on site or during technical inspections

Its application is designed to simplify field inspections, with quick reading under a UV lamp.

Expert technical support

Our team helps you choose the right reference, the right application method and the UV equipment suited to your needs.

Made in France and Europe

Solutions selected with high standards to meet the quality expectations of professionals.

Products tested in real field conditions

References already used for leak detection, infiltration inspection and visual diagnostics in a wide variety of technical situations.

Colorless UV tracers on video: see detection in real conditions

Watch videos showing how colorless UV fluorescent tracers are used for leak detection, infiltration inspection and diagnostics under a UV lamp. These demonstrations help you better understand how the fluorescent liquid works, how it is read on site and its main applications on water networks, technical areas and waterproofing defects.

Lire la vidéo

Lire la vidéo

Frequently asked questions about colorless UV fluorescent tracers for water

What is a colorless UV fluorescent tracer for water?

A colorless UV fluorescent tracer for water is a liquid used to identify a leak, infiltration or waterproofing defect without any visible staining to the naked eye. It becomes visible under a UV lamp, making it possible to follow the path of the water and more precisely locate the source of the problem.

When should a fluorescent liquid be used for leak detection?

This type of tracer is useful for checking a water network, a pipe, an infiltration area, a roof, a terrace or a technical installation when the goal is to carry out a clean, non-destructive diagnosis. It is particularly valuable for micro-leaks or flows that are difficult to visualise directly.

How do you detect a leak using a UV tracer and an ultraviolet lamp?

The tracer is introduced into the circuit or applied to the area being inspected. It circulates with the water, then an inspection under a UV lamp reveals the areas where the fluorescent liquid appears, accumulates or follows an abnormal path. This method helps locate the leak without heavy dismantling.

What is the difference between a colorless tracer and a coloured tracer?

A colorless tracer remains invisible under normal light and is only revealed under UV, making it especially suitable for interventions where the appearance of the substrate must be preserved. A coloured tracer, by contrast, is immediately visible without a UV lamp. The choice therefore depends on the required level of discretion and the diagnostic context.

Is the fluorescent tracer compatible with pipes and water networks?

Yes, these tracers are designed for water-related applications and are used for leak detection, network inspections, technical checks and infiltration diagnostics. The right reference should then be selected according to the intended use and the working conditions.

Does the product leave visible traces on surfaces?

The benefit of a colorless fluorescent tracer is precisely that it enables leak detection without visibly staining surfaces under normal conditions of use. It is therefore particularly suitable when a more discreet and cleaner diagnosis is required.

What equipment is needed to reveal the fluorescence?

A UV lamp is required to properly visualise the tracer. Depending on the intervention context, suitable glasses may also improve reading comfort and visibility in certain areas.

Can several tracers be used to distinguish different circuits?

Yes, in some technical contexts, several references or several fluorescent responses can be used to differentiate different areas or multiple circuits during the same diagnostic process. This advanced use can be relevant for more complex leak detection cases.

Customer reviews of our colorless UV fluorescent tracers

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Customer reviews of our colorless UV fluorescent tracers

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They use our fluorescent tracers in the field

Nous utilisons régulièrement les produits FLUOTECHNIK pour nos recherches de fuite et en sommes très satisfaits. Les couleurs sont vives, bien visibles à l’œil nu et en photo. Les kits sont pratiques, complets et adaptés à toutes les situations. Un vrai plus en efficacité sur le terrain. Bravo à l’équipe FLUOTECHNIK !

Loïc ANDRE

Provence Solutions

Spécialiste des fuites, j’utilise les traceurs UV de Monsieur Paillet pour leur fiabilité et discrétion. Invisibles à l’œil nu mais nets sous UV, ils sont idéaux en milieu sensible. Les traceurs colorés permettent de différencier les réseaux. Les ballons obturateurs complètent bien l’ensemble. Monsieur Paillet se montre toujours disponible et de bon conseil.

Fabien DISCHINGER

Détecte Fuite Sàrl

Grâce au Pack Pro UV de Fluotechnik, mes diagnostics de fuites sont plus rapides et précis. Le coffret est complet, avec des traceurs colorés et incolores, deux lampes UV puissantes, et une valise solide très pratique sur le terrain. Le dosage des traceurs est simple et précis, ce qui me fait gagner un temps précieux. Je recommande vivement ce kit aux pros du bâtiment et de l'étanchéité.

Gilian BOUBRHI

Gsm Fuite

Why use a colorless UV fluorescent tracer for water?

A colorless UV fluorescent tracer for water meets a very practical need: detecting a leak or infiltration without making surfaces visibly coloured. This characteristic makes it especially relevant for professionals who need to work cleanly on sensitive, visible or technical environments.

Under normal light, the product remains discreet. Under a UV lamp, however, it becomes a real reading tool for tracking abnormal flow, identifying a passage point or spotting a micro-leak. In many cases, the challenge does not only come from the leak itself, but from the fact that it is diffuse, intermittent or located in a hard-to-access area. Using a fluorescent liquid then improves diagnostic precision and limits unnecessary investigations. It is also a way to save time on site while maintaining a non-destructive inspection method.

When should a fluorescent liquid be used for leak detection?

Colorless UV tracers for water can be used in many professional contexts related to leak detection and infiltration diagnosis. They are particularly relevant for checking water networks, pipes, waterproofing areas, roofs, terraces or structures where abnormal water circulation is suspected.

They are also useful in maintenance operations, technical inspections, waterproofing defect checks and building diagnostics. When a leak is difficult to locate visually, when moisture moves or when the real entry point is not obvious, the fluorescent tracer helps better understand the path of the fluid. This visual reading under UV then helps direct the intervention to the right location.

How does detection under a UV lamp work?

The principle is simple. The tracer is introduced into the water or into the area to be tested, then circulates with the relevant fluid. Wherever the water goes, the tracer goes as well. Once circulation has taken place, inspection under a UV lamp reveals the fluorescence and makes it easier to visualise leak exit points, infiltration areas or abnormal paths.

This method is valued because it allows professionals to work without breaking things open immediately, without multiplying exploratory openings and without damaging installations before the area to be treated has been located more precisely. For professionals in leak detection, waterproofing, construction or maintenance, it is a valuable way to improve analysis reliability while keeping interventions cleaner.

Why choose a colorless tracer rather than a coloured tracer?

The choice between a colorless tracer and a coloured tracer depends above all on the intervention context. A coloured tracer may be preferred when immediate visibility to the naked eye is required. By contrast, a colorless UV fluorescent tracer will often be the better option when visual discretion is important, for example on sensitive substrates, finished environments or areas where any visible staining must be avoided.

Which Fluotechnik tracer should you choose for your needs?

The right choice depends on the type of installation to be inspected, the level of visibility required, the intervention method and the professional context. If your priority is to carry out discreet, clean and non-destructive water leak detection, a colorless UV fluorescent tracer is especially suitable. If you are instead looking for a coloured solution that is directly visible, it will be more relevant to consult the range of coloured tracers for water. For other specific uses, especially food-related applications or hydrocarbons, Fluotechnik also offers dedicated categories to direct each need to the right solution.

Discover other solutions for water leak detection

Depending on the type of surface, the level of discretion required and the intervention context, a colorless UV fluorescent tracer is not always the only relevant solution. Fluotechnik helps you guide your diagnosis towards the right method, whether you need immediate visual reading, a more specific tracing solution, a product suited to drinking water, suitable UV equipment or a particular professional use case.

Tracing dyes

For leak detection situations where immediate naked-eye visibility is an advantage for following the path of the liquid in the field.

Tracing dyes

When visual discretion is not the priority and you want to see the liquid marking immediately, fluorescent tracing dyes are a particularly useful alternative. They provide direct reading, with possible UV enhancement depending on the reference and the intervention context.

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Fluorescein

A benchmark fluorescent tracer for certain tracing, flow monitoring and water leak detection applications.

Fluorescein

Are you looking for a benchmark fluorescent solution for specific tracing, network inspection or leak detection needs? Discover our range of fluorescein-based products, designed for professionals who need reliable reading and a field-proven method.

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Food-grade tracers for water

For drinking water networks and sensitive environments where product compatibility is an essential criterion.

Food-grade tracers for water

Not every leak detection context allows the use of a standard tracer. For drinking water networks or sensitive installations, discover our food-grade tracers designed to meet more specific application requirements.

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UV lamp kits

To fully benefit from ultraviolet reading and improve diagnostic accuracy with colorless tracers.

UV lamp kits

Colorless UV tracers show their full value when used with suitable reading equipment. Discover our selection of UV lamp kits to strengthen ultraviolet visibility, improve inspection comfort and work more efficiently in the field.

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Plumbing / heating leak detection

For indoor networks where visual discretion helps carry out a cleaner inspection of a leak, abnormal flow or waterproofing defect.

Plumbing / heating leak detection

On domestic water circuits, sanitary installations, heating networks or indoor technical areas, colorless UV tracers are especially useful when you want to avoid any visible colouring. Discover our solutions designed for common plumbing and heating needs.

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Roofs, terraces and waterproofing areas

For infiltration diagnostics where the path of the water must be followed without visually altering the tested surfaces.

Roofs, terraces and waterproofing areas

On flat roofs, balconies, membranes or waterproofing areas, UV reading of a colorless tracer helps confirm infiltration while maintaining a more discreet approach. This solution is particularly useful when you want to preserve the appearance of the surfaces and target the areas to inspect more precisely.

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