Water softening system test
Since we are not aware of any current test report from an independent institute for water softening systems, we would like to subject our water softening systems to a subjective test here. This test is not to be understood as an independent test, but only relates to our FILTRASOFT systems and only reflects our opinion.
Do I even need a water softener?
First, the all-important question: Who needs a water softener anyway? This question depends mainly on the water hardness of your tap water. In general, our German drinking water is of the highest quality and does not need to be treated further. Nevertheless, there are many areas in Germany with high to very high water hardness . If the water hardness is low (i.e. values below 8 °dH), it makes no sense to think about a water softener. High water hardness means that a lot of limescale can build up in your pipes and appliances (washing machine, etc.).
So why not lower your water hardness to prevent your appliances from breaking down or having to be descaled with chemicals? In our opinion, the advantages outweigh the disadvantages and there are even many communities that share this opinion .

Are there any disadvantages to water softening?
We don't want to pull the wool over our customers' eyes and are therefore willing to be as honest with them as possible. The use of a water softening system naturally also entails costs. The biggest cost is the salt that our systems need to function properly. In addition to the salt, the systems require electricity and, depending on their size, produce a certain amount of wastewater. As already mentioned above, however, we believe that the advantages outweigh the disadvantages and have therefore provided you with a sample calculation .
How it works
First, we would like to explain how our water softening systems work. There are various technologies on the market for removing water hardness. For us, the ion exchange process has proven itself for many years. The hardness-forming calcium and magnesium are removed from the water using a special resin. The softening resin has a certain capacity and must be regenerated using salt . You can find a detailed description of how it works on our information pages on water softening .
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Quality
Our systems meet the requirements of the Drinking Water Ordinance (see Section 17, Paragraph 1) and can be installed in your drinking water pipe network without any concerns. All components used are of the highest quality and are suitable for use with drinking water. Certification of the systems is recommended in the Drinking Water Ordinance, but is not required, as our systems meet the requirements mentioned in Section 17.

Technical data
You can view the properties and technical data on the respective product pages in our online shop. You can also find a summary of the technical data here .
Prices
You can find the prices of our systems directly in our online shop under the category water softening systems . Our systems are available in duplex or basic versions. The basic systems have a softening column, which means that no soft water is available during the regeneration break (approx. 1 hour). In most cases, however, this is not a problem, as the regeneration break can be set to take place at night. The duplex systems have two softening columns and can therefore switch between the two columns during regeneration. The duplex systems are therefore suitable when an uninterrupted supply is desired.
Assembly
We offer our customers a Germany-wide assembly service . Assembly and commissioning is carried out by one of our assembly partners in your area. Our assembly partners are qualified specialists who, like us, pay attention to quality and service.
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| Characteristic | Cheap systems | Alfiltra Basic Systems | Alfiltra Duplex systems | LeycoSoft Pro Systems |
|---|---|---|---|---|
| Price | ||||
| reliability | Small amount - Frequent failures and problems according to customer reviews | High - Reliable (technology that has been proven for years) | Very high - As reliable as basic systems + second pillar for uninterrupted soft water supply | High - Reliable (technology that has been proven for years) |
| Regeneration process | Inaccurate - Time controlled, higher water and salt consumption | Automatically - Water quantity controlled self-learning | Automatically - Water quantity controlled self-learning + optimal utilization through parallel operation | Automatically - Water quantity controlled self-learning |
| Environmental friendliness | Low - High salt and water consumption | High - Optimized salt consumption | Optimal - Efficient use of resources | High - Optimized salt consumption |
| Country of manufacture | Often not EU | Germany | Germany | Germany |
| Water connection | 3/4" - Possible pressure loss | 1" - including connection fitting and hoses | Up to 2" - including connection fitting and hoses | 1" - Hoses in 3/4" |
| Detailed assembly instructions | Mostly inadequate | Available - German with pictures | Available - German with pictures | Available - German with pictures |
| guarantee | Often only legal guarantee | Up to 7 years - with annual maintenance | Up to 7 years - with annual maintenance | Up to 7 years - with annual maintenance |
| Approval and certification | Often no compliance with legal requirements | Compliance with legal requirements - DVGW certificate for connection fitting | Compliance with legal requirements - DVGW certificate for connection fitting | additional DVGW certificate - for system and connection fitting |
| Height of the waste water connection above the ground | Maximum 1 m If the wastewater is higher, a brine-compatible lifting system is required | Up to 2.5 m - therefore no lifting system required | Up to 2.5 m - therefore no lifting system required | Maximum 1 m If the wastewater is higher, a brine-compatible lifting system is required |
| Overflow protection in case of power failure | Often no one In the worst case, the water will leak out through the overflow for the duration of the power outage | Safety float valve - reliably prevents overflow in the event of a power failure | Safety float valve - reliably prevents overflow in the event of a power failure | Safety float valve - reliably prevents overflow in the event of a power failure |
| Exchange resin | Inferior resin - Must be replaced often | High quality resin - Long service life > 10 years | High quality resin - Long service life > 10 years | High quality resin - Long service life > 10 years |
| Help with disruptions | Self-help - Often you have to repair it yourself | In-house service team - Easy replacement or repair | In-house service team - Easy replacement or repair | In-house service team - Easy replacement or repair |
| scope | Small households | Small to medium-sized households | Large households, apartment buildings and commercial use | Medium to large households |
| Operation | Often without display - No information on remaining capacity or other statistics | Multi-line display and physical buttons | Multi-line display and physical buttons | Multi-line display and physical buttons (optionally controllable via app) |
| maintenance | Mostly not possible | Low maintenance - Maintenance by our service technicians possible at any time (optional with maintenance contract) | Low maintenance - Maintenance by our service technicians possible at any time (optional with maintenance contract) | Low maintenance - Maintenance by our service technicians possible at any time (optional with maintenance contract) |
| Availability of spare parts | Limited | Very good - Fast availability | Very good - Fast availability | Very good - Faste Availability |
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Product: BASIC water softener in a worry-free package
Product: BASIC water softener in a worry-free package
Product: BASIC water softener in a worry-free package
We would be happy to offer you the appropriate maintenance for your device.
According to DIN, maintenance should be carried out by a specialist at least every 12 months.
Product: BASIC water softener in a worry-free package
All of our softening systems are suitable for the treatment of drinking water. When manufacturing these systems, special care is taken to ensure that all materials and components used are approved for contact with drinking water. This means that the resins, filters and other components used for the system meet the health standards for drinking water.
Product: BASIC water softener in a worry-free package
Our employees will be happy to provide you with advice
Related Pages

At what water hardness level does a water softener become worthwhile? Limit values, rules of thumb, and decision-making aids for your household.

How do you calculate the capacity of a water softener? Formula, influencing factors and example calculation for your home.
Is a water softener worthwhile? We calculate the costs and benefits – for a single-family home, appliances, and energy savings.

Simplex or duplex water softener – which is the better fit? We explain the difference and help you decide.
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