Daxtro | Swiss Water Technology – Developed, Patented, and Manufactured in Switzerland

Grubatec – A specialist in flow measurement, metering devices, and water treatment for over 30 years.

Swiss TechnologyDeveloped · patented · manufactured in Switzerland

Daxtro – Swiss technology for clean water.

Less limescale, rust, and biofilm. Better hygiene and water quality—all without salt or chemicals.

LimeRustBiofilmLegionella
4.9 out of 5based on 7 reviewsMounted on the outside of the pipeWorks without salt or chemicals.
SWISS MADEDeveloped and manufactured in Switzerland
LimeInfluencing crystallization
RustReduce deposits
BiofilmTackling biofilm in the system
LegionellaHygiene Applications
One deviceEffect throughout the entire piping system
Developed, patented, and manufactured in SwitzerlandSwiss development and manufacturing—clearly at the heart of the brand.
Four Areas of EffectFocus on limescale, rust, biofilm, and Legionella.
No Salt & No ChemicalsThe natural minerals in the water are preserved.
Try it out with no obligationExperience the technology in your own setup.

Swiss Engineering · Explained Simply

How Daxtro Works

Daxtro works on the existing water line from the outside. The system transmits a multi-frequency signal into the piping system, thereby influencing processes related to limescale, rust, and biofilm.

01

Signal into the water line

Daxtro is mounted on the outside of the water pipe and transmits a special multi-frequency signal throughout the entire piping system.

02

Less Limescale & Rust

The signal affects the deposition processes in the water. This can reduce limescale buildup and minimize corrosion.

03

Less biofilm

Less biofilm forms on the inner surfaces of the pipes. This deprives bacteria of an important habitat and nutrient source.

04

Less favorable conditions for Legionella

Since Legionella bacteria are particularly adept at multiplying in biofilms, reducing biofilm helps to create less favorable conditions for their growth in the plumbing system.

No salt. No chemicals. No alteration of the natural minerals in the water.
Daxtroless limescaleless biofilmbetter water hygiene
Daxtro in the piping systemPhotorealistic functional visualization

Effect

The Effects of Daxtro in the Video

Two demonstration videos show the effect directly on the water system. The videos can be played individually, paused, and viewed in full-screen mode.

Effect · Practical Video 01Daxtro in Action
Effect · Practical Video 02Watch the effect on the water system

Technology in 20 Seconds

Electrical pulses. Two ferrite cores. Effect throughout the entire piping system.

The basic principle: A control unit generates specific signals, and two ferrite cores couple them from the outside into the existing water line—without opening the pipe.

Three technical components— explained simply.

01
The control unit generates specific pulses.

Specially tuned electrical signals form the basis of the technology.

02
Two ferrite cores transmit the signal.

They are connected directly to the main line—without any cutting or modifications.

03
The pulses affect the connected water system.

They influence crystal formation and—depending on the product line—are also designed for use in applications involving rust, biofilm, and hygiene.

Important: The water is not chemically softened. The minerals are preserved; however, the formation and buildup of unwanted deposits are reduced.
4 hoursDocumented period
Documented Complete Elimination of LegionellaAccording to the available test results from the reference center in Bellinzona.
3 Steps · Realistic Product Rendering

From installation on the pipe to the signal effect within the system.

Daxtro Health device mounted directly on a water line
01
Mounted on the outside of the pipeInstallation without cutting into the main line.
Daxtro Health device with visualized pulses along the pipeline
02
Pulses are injectedThe control unit transmits defined signals into the piping system.
Visualization of various deposits and microbial contamination in a water pipe
03
Effect on the Connected SystemThe specific application depends on the product line and installation.

Choose a product in less than a minute

Which Daxtro device is right for your building?

Select the building size, desired effect, and pipe diameter. You'll immediately receive an initial, easy-to-understand product recommendation.

  • PURE and CARE for buildings up to 300 m²
  • PREMIUM for larger buildings up to 800 m²
  • HEALTH and CLEAN DROP 2 for advanced applications

This recommendation is intended as a general guide. Before placing an order, we will assess the installation conditions, actual water consumption, pipe size, and the desired effect.

How It Works: An Easy-to-Understand Explanation

Four challenges. One unique technology.

Daxtro was not developed solely for limescale. Depending on the product line, the technology targets limescale, rust deposits, biofilm, and hygienic applications to combat Legionella.

Lime and Corrosion Deposits on Pipe Components
01Limescale & Deposits
Heating element with heavy scale buildup
02Scaled-up heating elements
Visualization of Biofilm and Microorganisms in a Pipe
03Biofilm in the piping system
Green-colored water with algae growth in a swimming pool
04Algae & Deposits – Depending on the Application

Limescale deposits

Electronic pulses influence the formation and adhesion of calcium crystals. Hardness minerals remain in the water; Daxtro is not a traditional water softener.

See how it works

Rust and Pipes

CARE and the Professional Line are designed for applications where, in addition to limescale, rust or corrosion-related deposits must also be taken into account.

Montage and Effect

Biofilm

Biofilm can form as a protective layer in water-carrying systems. Selected Daxtro product lines are designed to physically influence such deposit-forming conditions.

View Drinking Water Application

Legionella

Specialized product lines are available for applications with stringent hygiene requirements. Selection, sizing, and verification are tailored to the specific installation.

Exams and Certificates

The specific effect and suitability depend on the model and application. For hygienic applications, the installation, water system, and existing documentation must be reviewed by a qualified professional.

Product and System Comparison

A Direct Comparison of Limescale Protection Systems

A clear overview of Daxtro’s key features and six common technologies. The Daxtro column is highlighted for quick reference.

View Costs & Benefits
12 Criteria · 7 Technologies · Daxtro highlighted visually
Scroll horizontally
AdvantagesDAXTROPulse TechnologyMagneticMagnetic systemElectromagneticElectronic fieldSingle-
r double-coil
Tube winding
ElectrolyticElectrolysisPolyphosphatesDosageWater SoftenerIon Exchange
Effective in stagnant water------
Effective under running water
Continuous treatment – 24 hours a day------
No changes to the installation----
No maintenance required----
No corrosion-----
No chemical products--
An environmentally friendly solution--
Suitable for drinking water applications--
Works at any water temperature----
Effective throughout the entire piping system------
Germ-reducing effect--

The table is based on the criteria in the comparison matrix provided. Specific characteristics may vary depending on the product, model, water quality, and installation conditions.

From Technology to Actual Installation

Don't just explain. Show evidence and practical applications.

Product data, installation examples, and technical documents are presented separately so that you can understand the information immediately.

This is what Daxtro looks like in practice.

Discover real-world installation scenarios, different product lines, and typical applications in homes, buildings, and technical facilities.

Open the Installation Gallery
Daxtro unit as an example of a limescale protection system

Customer Reviews

What Customers Value Most

Easy installation, significantly fewer stubborn limescale deposits, and a sustainable alternative that uses no salt or ongoing chemical additives.

4.9 out of 57 reviews
★★★★★Excellent

I bought this limescale protection device more than two months ago and was particularly impressed by how easy it was to install. There has actually been a noticeable change in the quality of our water—especially in the boiler of our wood-burning stove. Before, I had to completely change the water every morning because there was so much whitish material in it that it almost looked like milk. Now the water can stay in the boiler for several days and is still about 90% clear. In daily use, I don’t yet notice the improvement equally clearly in every situation. However, the initial results make me very optimistic. In six to eight months, I’ll be able to provide an even more detailed assessment. Thank you very much for this opportunity.

Claudia MeierZurich
★★★★★Excellent

After using the Daxtro system for a month, I’m very satisfied. The benefits I’ve noticed: I now only need about half as much detergent in the washing machine and dishwasher, the faucets shine brighter, and they’re much easier to clean. At first, I was skeptical, because it’s hard to trust an effect you can’t see right away. Today, I’d like to thank Mr. Werner for giving me the opportunity to test this innovative limescale protection system. Anyone who’s also skeptical will notice after just a few days that significantly less limescale residue remains in the pot after boiling water—for example, for pasta. I’ll update my review in a year.

Lukas FreiLucerne
★★★★★Excellent

After years of battling stubborn limescale buildup, I had almost given up hope of ever really getting the problem under control. Then I discovered Daxtro Italia online. At first, I was skeptical, because the promised results seemed almost too good to be true: it was supposed to prevent limescale while preserving the water’s natural properties. Nevertheless, I decided to give it a try, partly because Mr. Werner explained the device very professionally and in great detail. The promise was kept: The results were visible after just ten days. The filters on the faucets stayed clean, and the stubborn limescale that used to form on the shower doors—which could previously only be removed with chemicals—no longer appeared. I highly recommend Daxtro, especially for single-family homes and detached houses. After installing it on the cold-water line, the effect was immediately noticeable, and the pipes were gradually cleaned as well. It’s definitely worth a try.

Andrea KellerBern
★★★★★Excellent

I am a residential customer and live in a detached, two-story house. The device met my expectations right from the start. Today, one month after the truly very simple installation, I am extremely satisfied. Day after day, I see fewer limescale deposits on glasses, bottles, sinks, faucets, pots, the espresso machine, and in household appliances—with both hot and cold water. The decalcification routines I used to follow—the chemical products, the time they took, and in some cases even calls to professional technicians—are now a thing of the past for me. What’s especially valuable is the peace of mind that comes from no longer having to add any additional chemical products to my tap water. The phone and email support from Daxtro was also excellent.

Markus BrunnerSt. Gallen

Showing 4 of 7 reviews

Frequently Asked Questions Before Making a Choice

What prospective buyers want to know first.

View All FAQs
How does a limescale prevention device work without salt or chemicals?
The limescale prevention device transmits electrical pulses or specific frequency signals to the water line. This is intended to influence the crystallization behavior of the limescale. As a result, limescale particles are less likely to build up on pipes, faucets, and water-using appliances, and can be removed more easily.
How long does a limescale prevention device last?
Water softeners are designed as a long-term solution for protecting water pipes and household appliances. Since there is no need to refill salt or regularly replace filter media, the system can be used for many years.
Is a limescale protection device maintenance-free?
Once installed, the units operate without the need for regular salt replacement or the replacement of consumables. This eliminates the typical maintenance tasks associated with a traditional water softener.
What are the service and maintenance costs?
There are typically no ongoing costs for regeneration salt or filters that need to be replaced annually. Regular regeneration cycles are also not required. In addition to low electricity consumption, there are therefore generally no scheduled follow-up costs.
What are the dimensions of the limescale protection devices?
The dimensions vary depending on the model and application. For example, compact units for apartments and single-family homes have a control unit measuring approximately 8.4 × 5.4 × 2.3 cm. More powerful models for larger buildings measure approximately 16.8 × 10.3 × 3 cm. In addition, two ferrite cores—or signal transmitters—are attached to the piping. Suitability depends, among other factors, on the pipe diameter and the selected model.
What are the advantages of a salt-free water softener?
A salt-free water softener requires neither regeneration salt nor chemical additives. The natural minerals remain in the water, while limescale is less likely to build up on surfaces. Additional advantages include its compact design, low-maintenance operation, and the elimination of wastewater generated by regeneration processes.

Experience technology that goes far beyond limescale protection.

Limescale, rust, biofilm, or Legionella: We’ll personally assess your application and, if it’s suitable, provide you with a free test unit.

Request a Test Unit
Request a Test Unit
DAXTRO products

DAXTRO products

Electronic limescale protection systems for clean water

Model Home Line Function against Application Scope of delivery Certifications Dimensions and weight
PURE
PURE water limescale prevention system
Buildings up to 300 m²
Annual water consumption 500 m³
Limestone
Apartments
Industry Machines
Transportation
1 control box (9V)
1 power supply unit
1 signal cable (30 cm)
1 Ferrite
Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
Mounting material
CE
UKCA
FCC
Swiss Made
8.4 x 5.4 x h 2.3 cm
82 g
CARE
CARE water limescale defense system
Buildings up to 300 m²
Annual water consumption 500 m³
Limestone, rust
residential buildings
Heating systems
Transportation
1 control box (15V)
1 power supply unit
1 signal cable (30 cm)
1 Ferrite
Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
Mounting material
CE
UKCA
FCC
Swiss Made
8.4 x 5.4 x h 2.3 cm
82 g
Model Professional Line Function against Application Scope of delivery Certifications Dimensions and weight
PREMIUM PREMIUM
PREMIUM water limescale prevention system
Buildings up to 800 m²
Annual water consumption 200 m³
Limestone, rust, algae
Building
Pools
Fountains
Schools
Sports centers
Hospitals
Military installations
Industrial plants
Transportation
1 control box (24V)
1 power supply unit
1 signal cable (30 cm)
1 Ferrite
Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
1 communication module
1 temperature sensor
Mounting material
CE
UKCA
FCC
Swiss Made
16.8 x 10.3 x h 3 cm
347 gr
HEALTH PREMIUM
HEALTH water limescale defense system
Buildings up to 1000 m²
Annual water consumption 1000 m³
Limestone, rust, algae, bacteria
Building
Pools
Fountains
Schools
Sports centers
Hospitals
Military installations
Industrial plants
Transportation
1 control box (48V)
1 power supply unit
1 signal cable (30 cm)
1 Ferrite
Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
1 communication module
1 temperature sensor
Mounting material
CE
UKCA
FCC
Swiss Made
16.8 x 10.3 x h 3 cm
347 g
CLEAN DROP 2
CLEAN DROP 2 water limescale prevention system
Buildings up to 1600 m² (2 buildings 3200 m²)
Annual water consumption 2000 m³
Limestone, rust, algae, bacteria
Building
Fountains
Pools
Fountains
Schools
Sports centers
Hospitals
Military barracks
Industrial plants
Transportation
Control unit
Power supply 48V
2 x signal cable (120 cm)
2 x ferrite ring L
Communication modules
Temp sensor
CE
UKCA
FCC
Swiss Made
16.8 x 10.3 x h 3 cm
355 gr
PURE
PURE water limescale prevention system
Ideal for small households
Dimensions and weight
8.4 x 5.4 x h 2.3 cm
82 g
Function against
Limestone
Application
Apartments
Industry Machines
Transportation
Scope of delivery
  • 1 control box (9V)
  • 1 power supply unit
  • 1 signal cable (30 cm)
  • 1 Ferrite
  • Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
  • Mounting material
Certifications
CE
UKCA
FCC
Swiss Made
CARE
CARE water limescale defense system
Buildings up to 300 m²
Annual water consumption 500 m³
Dimensions and weight
8.4 x 5.4 x h 2.3 cm
82 g
Function against
Limestone, rust
Application
residential buildings
Heating systems
Transportation
Scope of delivery
  • 1 control box (15V)
  • 1 power supply unit
  • 1 signal cable (30 cm)
  • 1 Ferrite
  • Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
  • Mounting material
Certifications
CE
UKCA
FCC
Swiss Made
PREMIUM PREMIUM
PREMIUM water limescale prevention system
Buildings up to 800 m²
Dimensions and weight
16.8 x 10.3 x h 3 cm
347 g
Function against
Limestone, rust, algae
Application
Building
Pools
Fountains
Schools
Sports centers
Hospitals
Military installations
Industrial plants
Transportation
Scope of delivery
  • 1 control box (24V)
  • 1 power supply unit
  • 1 signal cable (30 cm)
  • 1 Ferrite
  • Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
  • 1 communication module
  • 1 temperature sensor
Certifications
CE
UKCA
FCC
Swiss Made
HEALTH PREMIUM
HEALTH water limescale defense system
Buildings up to 1,000 m²
Dimensions and weight
16.8 x 10.3 x h 3 cm
347 g
Function against
Limestone, rust, algae, bacteria
Application
Building
Pools
Fountains
Schools
Sports centers
Hospitals
Military installations
Industrial plants
Transportation
Scope of delivery
  • 1 control box (48V)
  • 1 power supply unit
  • 1 signal cable (30 cm)
  • 1 Ferrite
  • Ferrite: 1 pair (A and B): 10.2 x 9.5 x h 3, Weight: 454 gr / Max tube diameter: 32 mm
  • 1 communication module
  • 1 temperature sensor
  • Mounting material
Certifications
CE
UKCA
FCC
Swiss Made
CLEAN DROP 2
CLEAN DROP 2 water limescale prevention system
Buildings up to 1600 m²
Dimensions and weight
16.8 x 10.3 x h 3 cm
355 gr
Function against
Limestone, rust, algae, bacteria
Application
Building
Fountains
Fountains
Schools
Sports centers
Hospitals
Military barracks
Industrial plants
Transportation
Scope of delivery
  • Control unit
  • Power supply 48V
  • 2 x signal cable (120 cm)
  • 2 x ferrite ring L
  • Communication modules
  • Temp sensor
Certifications
CE
UKCA
FCC
Swiss Made
Daxtro Technology

01 / Technology

Daxtro Technology

Effective limescale prevention through targeted electrical pulses and high-performance ferrite technology.

Modern pulse technology for water-carrying systems.

The patented DAXTRO technology uses targeted electrical pulses to alter the structure of limescale crystals and reduce their adhesion to surfaces.

Modern Daxtro technology was developed to combat limescale and unwanted deposits in water-carrying systems. In addition, the technology is used to address rust deposits, algae growth, biofilm, and microbiological contamination caused by Legionella and Pseudomonas.

Installation follows the plug-and-play principle: Two ferrite cores are attached directly around the existing pipe. This allows the generated signals to be efficiently transmitted to the flowing water—without requiring any major modifications to the existing piping system.

Daxtro stands for state-of-the-art technology made in Switzerland. Its effectiveness has been tested by independent and renowned institutes—including the National Reference Center for Legionella in Bellinzona, in the canton of Ticino.

Targeted StimuliElectrical signals influence the crystal structure in water.
Plug-and-PlayInstalls directly on the existing line without any major modifications.
Swiss MadeDevelopment and technological expertise from Switzerland.
4 hoursDocumented time period

Research Findings

Documented complete elimination of Legionella.

According to the available test results, the complete elimination of Legionella was documented within four hours.

Advantages of Daxtro Technology

Daxtro advantages

Modern technology. Clear advantages in day-to-day operations.

Daxtro technology combines easy installation with state-of-the-art pulse technology and was developed for long-term use in water-carrying systems.

  • 01

    Without salt

    Daxtro technology operates without the use of regeneration salt and without traditional water softening processes.

  • 02

    No chemicals

    For signal transmission, no chemical additives are added to the water.

  • 03

    Low-maintenance in daily operation

    The system is designed for hassle-free operation and does not require regular refilling of salt or chemical supplies.

  • 04

    Plug-and-Play Installation

    Two ferrite cores are installed directly around the existing pipeline. No major work on the pipeline system is required.

  • 05

    Electrical Pulse Technology

    Targeted electrical signals are transmitted via the ferrite cores to the water-carrying system.

  • 06

    Made in Switzerland

    Daxtro relies on modern Swiss technology and a consistently technically oriented approach to system development.

Daxtro System

A modern technological solution for preventing limescale and for use in water-carrying systems— without salt or chemical additives.

Daxtro products/applications

Daxtro Manual Installation

Request

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Scope of delivery

Our many years of experience in the field of measurement and control technology guarantee you optimum advice for your applications.

Product features

Our product features

Protection against limescale/rust

It emits high-quality frequency packets that are distributed across all pipes. At the same time, special frequency signals form a protective layer on metal surfaces that effectively prevents limescale deposits, corrosion and rust formation in your pipes.

Protection against bacteria

The signal that is fed into the system's pipes eliminates and prevents the growth of bacteria and algae.

Protection against algae

Suppresses the growth of algae in your water system using radio frequency signals, which are harmful to algae but completely harmless to humans.

Installation in 30 minutes

A single device protects the whole house. The kit contains everything you need and is easy to install anywhere in the house.

No maintenance

No interventions in the piping or special configurations are necessary and no maintenance is required.

5 year guarantee

Made in Switzerland with a 5-year manufacturer's warranty

No chemicals/salt

Limescale protection without salt and chemicals. Our limescale protection device works entirely without salt and chemicals. It's not just easy on your wallet and the environment - it's also good for your health.

Healthy water at hom - We make your water healthier
DAXTRO Logo

DAXTRO

Healthy water at home - We make your water healthier

ZERO water waste

Conventional water softeners consume large quantities of water - around 10-15 liters per kilogram of resin, several times a month. DAXTRO works with high-quality frequency packages that are absolutely harmless to people and the environment.

NO chemicals

The electronic DAXTRO anti-limescale device does not use any chemical additives and does not produce any saline or chemical residues - an active contribution to protecting our environment through radio frequency signal technology.

Higher ENERGY EFFICIENCY

The result: greater efficiency for all water-bearing systems, lower maintenance costs and noticeably lower bills - thanks to innovative electronic limescale prevention.

Health guarantee:

Daxtro Swiss emphasizes that all its products are tested by accredited bodies and have CE (Europe), FCC (USA), UKCA (UK) and ISO 9001 certifications to ensure safety for human health.

Daxtro Swiss is a Swiss company based in Ticino that specializes in the development and marketing of water quality improvement devices, including water purification and remediation technologies for domestic and industrial use. The company's devices use radio frequency signals and are certified according to various international standards such as CE and FCC to ensure safety for human health. 

Certifications

Comparison of limescale protection systems - Modern design

System Comparison

A Direct Comparison of Limescale Protection Systems

A clear comparison of the key features and benefits of various systems. The DAXTRO solution is highlighted in color for quick reference.

Full width · responsive layout
Advantages DAXTRO radio frequency signals Magnetic Electromagnetic Winding
Single or double
Electrolytic Polyphosphates Softener
Effectiveness with standing water
Effectiveness with running water
Continuous treatment 24h/day
No change to the system required
No maintenance required
No corrosion
No use of chemicals
Environmentally friendly
Suitable for human use
Effective at any temperature
Effective throughout the entire system
Germicidal effect
DAXTRO convinces with comprehensive advantages over alternative systems

Request

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.