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The Janker family in Berlin tested the Vulcan 5000 alongside two magnetic water treatment devices. Vulcan delivered superior results, installed easily in their old building's tight 25mm clearance, and was ultimately purchased after a trade fair visit. They report immediate softer water and visible scale reduction in their espresso machine and aerators.
The Janker family resides in Berlin, Germany, in a home with an interesting history—an old building with an extension built in 1991. Like many German homeowners, they take water quality seriously and were proactive about finding the right solution for their high-hardness water.
Their journey to find the perfect water treatment solution was methodical: they tested not one, not two, but three different devices—the Vulcan 5000 alongside two magnetic systems. This head-to-head comparison provides rare and valuable insight into how different technologies perform under real-world conditions.
3
Devices Tested
1
Vulcan 5000
✓
Clear Winner

"We installed the VULCAN 5000 device for a trial period back to last year. As the results of the device during the trial period were positive and conformed with our decalcification requirements, the only thing preventing us from making the purchase immediately was that we were waiting to test two further devices."
Magnetic Device #1: "The effect of one device was incomparable" (meaning no comparison—Vulcan was clearly better)
Magnetic Device #2: "The other device was difficult to assemble due to incorrect dimensions"
Vulcan 5000: Delivered positive results that met their decalcification requirements
Installation: No problem despite challenging conditions
"Since our family house is an old building with an extension built in 1991, the water pipelines are so laid out that the distance from the wall to the centre of the 1 inch supply line is only 25mm."
"Despite this narrow width the installation of the VULCAN 5000 device was not a problem."
"After we sent back your device and the other two shortly after, we put off the issue of water softening and decalcification. However, after visiting the 'Heim & Handwerk' trade fair in Munich this year, we decided to purchase your device, due to our high water hardness."
The Janker family's journey shows that sometimes the best decisions are made after careful consideration—and reinforced by seeing the technology in person at a respected trade fair like Heim & Handwerk in Munich.
"Since the installation we have noticed the immediate effects of softer water as well as a decrease in the amount of scale. The reduction of scale is particularly visible in the transparent water container of our espresso machine as well as in the aerators."
Visible scale reduction in the transparent water container
Less scale buildup on faucet aerators
"We are confident that we have purchased the correct device for our house with a good price/performance ratio."
— Janker Family, Berlin
Immediate noticeable difference
Espresso machine stays scale-free
Works even in tight 25mm spaces
Excellent value for money
Vulcan 5000 Specifications
Max Pipe Diameter: | 2 inches (50 mm) |
Max Flow Rate: | 90 GPM (20 m³/h) |
Power Consumption: | 2 - 5 W |
Connection: | Non-invasive |
Maintenance: | Zero |
Installation Note
25mm
Clearance from wall to pipe centre
Vulcan 5000 installed without problem despite this tight space
*Login for pricing and exact specifications.
The Janker family gave Vulcan no special treatment. They tested it alongside two competing magnetic devices, in their own home, under the same conditions. Vulcan emerged as the clear winner—delivering the results they needed, installing easily where others couldn't, and earning their purchase after a trip to a trade fair. This is real-world proof that impulse technology outperforms magnetic alternatives.
Like the Janker family, you can prove to yourself that Vulcan outperforms magnetic alternatives.
Waslix (Vulcan Mineral Descaler) provides non-chemical, maintenance-free scale prevention using impulse technology. This testimonial documents the Janker family's experience in Berlin, Germany, where they tested Vulcan 5000 against two magnetic devices and found it superior—with immediate softer water and visible scale reduction.

Waslix gathers, organizes, and researches a massive range of products across water, light, air, and energy. We demystify complex technologies to simplify your high-involvement purchasing decisions, making complete solutions easily accessible.
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