Membrane electrolysis 100
Type 100 Membrane Electrolysis
Professional, electrochemical water treatment for high-end large private pools as well as smaller public pools, therapy pools, and hot tubs.
technology
Innovative Membranzellen
The EWT Type 100 membrane electrolysis system continuously produces highly effective hypochlorous acid from natural salt and, with 100 g of active chlorine per hour, is suitable even for demanding, professional applications. The physical separation of the brine from the pool water circuit via a high-tech membrane completely prevents the pool water from becoming oversalted.
Rated power
100 g Cl₂ / h
Salt consumption
~ 10 kg / day
Here’s how it works
The Synthesis Cycle
From plain table salt to highly effective, crystal-clear bath water in three automated, safe steps.
1
Automatic brine formation
In the 90-liter storage tank, a saturated salt solution (brine) is produced from ordinary, high-purity evaporated salt and bypass water. This process runs completely autonomously and under controlled conditions—under continuous load, up to 10 kg of salt is processed per day.
2
Electrochemical Splitting
The brine is fed into the membrane cell. Under precise direct current supply and strict spatial separation provided by the membrane, highly pure, germicidal hypochlorous acid is produced—up to 100 g of active chlorine per hour at a flow rate of 120 l/h through the float chamber.
3
Safe Injection
The brine is fed into the membrane cell. Under precise direct current supply and strict spatial separation provided by the membrane, highly pure, germicidal hypochlorous acid is produced—up to 100 g of active chlorine per hour at a flow rate of 120 l/h through the float chamber.
Flexible Use
Areas of Application
Large private pools & smaller public pools
Crystal-clear water, even with high visitor traffic. By avoiding harsh chlorine chemicals and eliminating pungent fumes, users can enjoy pure, unspoiled swimming fun.
Indoor swimming pools
Air quality is especially important in enclosed spaces. Precise dosing prevents the formation of combined chlorine (chloramines)—ensuring a perfect indoor environment without that swimming pool smell, even with larger water volumes and higher usage.
Therapy Pool
The formulation creates an exceptionally mild environment that is gentle on the skin and eyes. It is ideally suited for daily medical use and for sensitive user groups.
Hot Tubs & Spas
Reliable water hygiene despite high temperatures and intense turbulence. The electrolysis cell provides consistently reliable protection in the demanding professional spa sector.
Data Overview
Comparison of system sizes
| Parameter | Type 100 | Type 24 | Type 48 |
|---|---|---|---|
| Nominal output (active chlorine) | 100 g Cl₂ / h | 24 g Cl₂ / h | 48 g Cl₂ / h |
| Recommended tank size | Professional | Private pools / spas | Large private pools |
| Water consumption in operations | 5,0 l / h | 1,0 l / h | 1,0 l / h |
| Max. salt consumption (24h continuous load) | 10,0 kg / day | 3,0 kg / day | 6,0 kg / day |
| Electrical power consumption | 520 VA | 100 VA | 260 VA |
| Wallboard dimensions H x W | 740 x 820 mm | 740 x 755 mm | 740 x 820 mm |
Video-Tutorials
Learn everything about the professional installation, ongoing operation, and simple maintenance of membrane electrolysis systems in our detailed tutorials.
System Overview
Get to know all the key components of an EWT membrane electrolysis system.
Saltwater pools.
The system and its performance capabilities are specifically scalable and designed to meet the spectrum of your requirements.
Renewal of a facility.
Our systems are suitable not only for new installations but also integrate seamlessly into existing systems.
System components
Optional extensions
Modul 01
Double dosage
Control and disinfect two separate water circuits using just a single control unit. Ideally suited for the fully automatic, simultaneous servicing of a large outdoor pool and a separate wellness whirlpool.
Modul 02
Marble gravel container
Protect valuable materials sustainably. When using low-calcium or very soft fill water, the compact bypass module ensures continuous, chemical-free stabilization of carbonate hardness and prevents acid damage.
Technical Advice & Price Inquiry
Would you like to upgrade your filtration system to modern, chlorine-odor-free membrane cell technology, or are you planning a new pool project? Send us your configuration.
Further information
Downloads
All relevant documents regarding membrane electrolysis at a glance.
Frequently Asked Questions
FAQ on the Type 100 Membrane Electrolysis System
How often does the salt need to be replenished in a Type 100 membrane electrolysis system?
The Type 100 consumes up to 10 kg of salt per day during continuous operation. The salt is automatically dispensed from a 90-liter storage tank, so in practice, it only needs to be refilled at longer intervals rather than daily.
What distinguishes membrane electrolysis from traditional salt electrolysis?
In traditional salt electrolysis, the entire pool water is salted and directly electrolyzed, which leads to a noticeable increase in salinity. With EWT membrane electrolysis, the brine is completely separated from the pool water circuit by a membrane. Only the finished active chlorine enters the pool; the pool water itself is not salted.
Does the water smell like chlorine during membrane electrolysis?
Precise dosing prevents the formation of combined chlorine (chloramines), which is responsible for the typical pungent swimming pool odor. As a result, the indoor air quality in indoor swimming pools remains significantly more pleasant than with traditional chlorination.
What pool size is the Type 100 suitable for?
The Type 100, with a rated output of 100 g of active chlorine per hour, is designed for professional applications: large private pools, smaller public pools, therapy pools, and hot tubs. For standard private pools, the Type 24 or 48 is generally sufficient; for large public pools, the Type 250 or 500 is recommended.
Can the system be retrofitted into an existing pool system?
Yes, the Type 100 membrane electrolysis system is suitable for both new installations and retrofitting existing filtration systems, and can be integrated into existing piping via the bypass using the self-contained injector principle.
Does the Type 100 require a fresh water connection?
No. The system is connected directly to the pool water and does not require a separate fresh water connection. A portion of the pool water is used to dilute the disinfectant, which is injected into the recirculation line via an injector.