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Magnesium Mineralized Water
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Magnesium Mineralized Water

Filter cartridge 6-pack

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Item number: 814136-A
  • Enriches your tap water with the valuable mineral magnesium
  • Magnesium improves taste
  • Your water becomes the perfect ingredient for brewing great-tasting, unadulterated tea and coffee
  • Patented technology from BWT
  • Filters up to 120 L per cartridge
  • BPA-free materials approved in accordance with the German Food and Feed Code (LFGB)
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Product details

You prefer to drink still mineral water because it tastes best and contains valu­able minerals. You would prefer to drink your tap water at home, only it does not taste as good.

The BWT filter cartridge Magne­sium Miner­al­ized Water enriches the water with the valu­able mineral magne­sium. Through our patented tech­nology, the Magne­sium Miner­al­ized Water filter cartridge protects against limescale in a way that is unique in the world, while leaving the hard­ness (calcium and magne­sium) in the water. This is revo­lu­tionary! Whether water, coffee or tea: By adding magne­sium and reducing chlo­rine, lime or heavy metals, you can taste the differ­ence in your tap water.


Good things in life are often right at our fingertips.

Conventional bottled water often has to be transported over extremely long distances before it reaches you. There's a much better alternative: the local tap water. BWT refines the water on site, thereby diminishing these unnecessary transport distances. This reduces CO2 emissions and indirectly helps the fight against climate change. At the same time, by using BWT’s Magnesium Mineralized Water you are also reducing the use of disposable bottles which, as plastic waste, cause enormous environmental problems in the world's oceans.

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Change the world sip by sip.

BWT believes that everyone has a right to clean water. However, more than 760 million people worldwide still do not have access to clean drinking water. BWT has therefore set itself the goal of ensuring a safe drinking water supply in developing countries. Forty-nine BWT eWater wells have already been installed in Gambia, giving local people access to clean drinking water.

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More magnesium – more power – more taste

Magnesium makes the difference.

While magnesium is an essential mineral for human beings, our bodies are not capable of producing it naturally. While the normal daily requirement is approx. 300 mg*, the body's needs can be higher in certain situations, such as when we're under stress. We often find ourselves lacking in this mineral due to our modern lifestyle. That is why it's important for us to incorporate magnesium into our food and drink on a daily basis.
BWT Magnesium Mineralizer Galery 2

An aroma boost throughout the day

BWT's unique technologies will take your tap water to a whole new level: filtered and enriched with magnesium or magnesium + zinc. Whether you’re drinking water, coffee or tea, by adding magnesium to your tap water and reducing any existing chlorine, lime or heavy metals content, you'll taste a real difference in your tap water.
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BWT Magnesium Mineralized Water
BWT Magnesium Mineralizer Galery 2

Technical details

Product features

Item number 814136-A
Filter capacity 120 L @ 15-18°d KH
Change Interval 4 weeks
Filter time 5 min
pH value 6,3 - 7,0
Chlorine reduction > 99 %
Heavy metal reduction > 95 %
Reduction of organic substances Yes
Limescale protection Yes
Magnesium release 25 - 30 mg/l
Zinc release -

Product comparison

Magnesium Mineralized Water

Magnesium Mineralized Water



Magnesium Mineralized Water with Zinc

Magnesium Mineralized Water + Zinc

Soft Filtered Water

Soft Filtered Water

Soft Filtered Water EXTRA

Soft Filtered Water EXTRA

Balanced Alkalized Water_

Balanced Alkalized Water

Filter capacity 120 L @ 15-18°d KH 120 L @ 15-18°d KH 120 L @ 12-14°d KH 120 L @ 15-18°d KH 120 L
Change Interval 4 weeks 4 weeks 4 weeks 4 weeks 4 weeks
Filter time 5 min 5 min 5 min 5 min 5 min
pH value 6,3 - 7,0 6,3 - 7,0 6,0 - 7,0 5,5 - 7,0 > 8,5
Chlorine reduction > 99 % > 99 % > 99 % > 99 % > 99 %
Heavy metal reduction > 95 % > 95 % > 95 % > 95 % > 95 %
Reduction of organic substances Yes Yes Yes Yes Yes
Limescale protection Yes Yes Yes Yes, 30% better limescale protection No
Magnesium release 25 - 30 mg/l 25 - 30 mg/l - - -
Zinc release - 1 mg/l - - -
BWT Magnesium Mineralizer Mood
BWT Magnesium Mineralizer Mood

Frequently asked questions about our table water filters

How many litres of water can I filter with a filter cartridge?

The service life of the filter cartridge varies depending on where it is used, as the water is not the same everywhere. The capacity of the filter cartridge depends on the hardness of the water. The harder the water, the earlier the filter cartridge is exhausted.


Soft Filtered Water  120 L bei KH* = 12 - 14 °dH
Soft Filtered Water EXTRA 120 L bei KH* = 15 - 18 °dH

Magnesium Mineralized Water,
Magnesium Mineralized Water + Zinc

120 L bei TH* = 15 - 18 °dH
Balanced Alkalized Water 120 L

*KH = Carbonate Hardness, TH = Total Hardness


The specified substances, e.g. lead and copper, which are reduced by the filter, are not present in all drinking water. The filter cartridges fulfil the microbiological requirements for table water filters according to DIN 10521. The requirements for chlorine, lead and copper retention according to DIN 10521 are also fulfilled. .

Where can I buy filter cartridges?

You can buy filter cartridges in retail stores or order them easily and conveniently in our online shop.

How does the elec­tronic change indi­cator "Easy-​Control" work?

Model A

The Easy-Control precisely counts the number of fillings and the service life and reminds you to change the filter cartridge by flashing the display. Please note that the Easy-Control indicates the number of fillings (the volume of the funnel varies depending on the BWT table water filter system) and not how many litres of water have been filtered. However, the filter cartridge should be changed after four weeks at the latest, even if the capacity of the filter cartridge - i.e. the number of fillings - has not yet been reached. The Easy Control display will flash to indicate this.

Model B

The Easy-Control"" counts the time of use (28 days) and reminds you to change the filter cartridge by flashing the display. Commissioning After the table water filter has been put into operation for the first time, the change indicator flashes. Press and hold the push button for three seconds. The display then automatically sets itself to 100% and the ""Easy-Control"" is now ready for use. Counting function After the first seven days of use, the first bar on the display goes out - that is, 75% of the service life is left. After another 14 days, the second bar goes out - half of the power has been used. If the third bar disappears after 21 days, there is still 25% power left. Changing the filter cartridge: The maximum service life is reached after 28 days. The display starts flashing. Now it is necessary to change the filter cartridge. After inserting the new filter cartridge, press the push button for 3 seconds. The counter then automatically sets itself to 100%."

What is magne­sium?

Magnesium is an essential mineral for humans that cannot be produced by the body itself. The daily requirement is approx. 300 mg (according to the German Nutrition Society), but can be even higher in special situations such as stress. Magnesium not only supports our physical and mental performance and supplies our muscles, it is also an important taste carrier. With BWT Magnesium Mineralized Water you can support your personal magnesium balance.

What do I have to consider before using my table water filter for the first time and when changing the filter cartridge?

Before first use or after replacing the filter cartridge, you should clean the pot, funnel and lid of the BWT table water filter system with detergent and rinse thoroughly with warm water. Do not use a scouring agent or a scrubbing sponge as this may leave scratches on the BWT table water filter. Jug and funnel are dishwasher safe. The lid must not be washed in the dishwasher.

In order to achieve the best possible filter performance, we recommend placing the new filter cartridge in tap water for five minutes and then pouring this water away. Table water filter FAQ Then insert the new filter cartridge with slight pressure into the funnel of the table water filter system.

If the table water filter is equipped with the Easy-Fill"" automatic filling system in the lid, the lid does not need to be removed during filling. The ""Easy-Fill"" system opens automatically when the water jet hits the opening and closes automatically after filling. Pour away the first filtered water filling and refill the BWT table water filter system. Initially there may be fine black particles in the water. This is completely harmless activated carbon that is flushed out of the filter. In this case we recommend refilling until the water is clear and free of particles. The BWT table water filter system is now ready for use

How long can I use the filter cartridges?

In order to achieve an optimum filter effect, you should replace the filter cartridge every four weeks at the latest.

However, if the Easy-Control (Model A) shows 100 fillings on the display before the end of the four weeks, the filter cartridge must be changed before the end of the four weeks. This is indicated by a flashing filter cartridge on the display. "

What do I have to consider with my table water filter?

  • Do not expose the jug or filter cartridge to direct sunlight. Do not filter more than eight to ten litres of water per day.
  • Only use cold tap water that meets the legal requirements for drinking water. BWT table water filters are not suitable for treating water of questionable origin into drinking water.
  • For persons with limited immune defence and for the preparation of infant food, we recommend boiling the filtered water additionally.
  • Do not use abrasive cleaning agents to clean the filter parts.
  • If use is interrupted for a longer period of time, we recommend that you store the table water filter system together with the filter cartridge in the refrigerator.
  • If there is a break in use of more than two days - for example a weekend - we recommend that you pour away the first filling and refill the table water filter.
  • If your table water filter is not used for more than two weeks, you should replace the filter cartridge. "

How do the BWT filter cartridges work?

In the BWT table water filter system, drinking water is filtered in four stages:

Stage 1: Particles are filtered out of the water.

Stage 2: Depending on which filter cartridge technology you have chosen, the water is treated accordingly:

  • Soft Filtered Water: Lime and heavy metal content are reduced.
  • Soft Filtered Water Extra: Lime and heavy metal content are reduced more.
  • Magnesium Mineralized Water: Lime and heavy metal content are reduced, calcium ions are replaced by magnesium ions.
  • Magnesium Mineralized Water + ZINC: Lime and heavy metal content are reduced, calcium ions are replaced by magnesium ions and zinc is added to the water.
  • Balanced Alkalized Water: The heavy metal content is reduced and the pH value of the water is increased to >8.5.

Stage 3: Odour and taste disturbing substances such as chlorine and certain organic impurities are filtered out of the water.

Stage 4: Fine filtration is carried out.

How does my BWT table water filter contribute to limescale protection in my home?

The worldwide unique BWT patent, which is also used in BWT table water filters, provides effective protection against limescale. For example, if the filtered water is used in hot water appliances such as coffee machines or kettles. Although the water in a table water filter is not softened in the classic sense, it is decarbonised. The total hardness bound to the carbonate hardness (temporary hardness) is replaced by hydrogen, and the pH value in the water is reduced at the same time. With classic softening, the entire hardness (temporary and permanent) would be replaced. The effect is the same: the water is softened, your equipment is protected from annoying limescale deposits.

Where and for how long can I best store the filtered water?

It is best to store the filtered water in your refrigerator. Our models are ideal for most refrigerator doors on the market. The filtered water should not be stored for more than 24 hours. If the water is left in the jug for more than 24 hours, pour the water away and filter fresh water.

What is the best way to main­tain the filter system?

Clean the BWT Magnesium Mineralizer once a week with mild soapy water and rinse thoroughly with warm water.

Do not use abrasive cleaning agents or scrubbing sponges, as scratch marks may appear on the water filter system. Jug and funnel are dishwasher safe. In the course of using the BWT water filter system, limescale stains may appear on the lid of the BWT water filter system in particular due to the drying of water droplets.

The limescale stains can be removed with a commercially available descaling agent. The lid including Easy-Control"" must not be cleaned in the dishwasher.

Tischwasserfilter FAQ
Tischwasserfilter FAQ

How do I remove the "Easy-Control" to clean the lid?

We generally recommend leaving the lid with "Easy-Control" in the lid insert and cleaning it by hand, as the "Easy-Control" is not dishwasher-safe. If it is necessary to remove the "Easy-Control" completely from the lid, please press it with a screwdriver from the underside of the lid against the slightly protruding plastic tab and carefully push the "Easy-Control" upwards. After removing the "Easy-Control", you can fix it again by slightly fitting it in/clicking it in.

Where are the cartridges and filter systems produced?

As a quality manufacturer, all our water filter cartridges are produced in Mondsee, Austria. There is a state-of-the-art production facility, which is subject to continuous quality controls. The filter systems are produced in Germany and meet the highest requirements for material and processing through "Made in Germany".
Tischwasserfilter FAQ
Tischwasserfilter FAQ

Do the materials from which the table water filter and the filter cartridges are made contain BPA (Bisphenol-A)?

No, neither the table water filter nor the filter cartridges are made of plastics that release plasticizers such as BPA into the water. This is strictly monitored by migration tests carried out by independent institutes.

The table water filter consists of SAN and ABS. PP and PPS are used to manufacture the filter cartridges.


How is the quality of the filter cartridges guaranteed?

Our production facilities in Austria and Germany are in accordance with the strict ISO guidelines and the hygiene regulations of the HACCP concept and have been inspected several times by independent auditors. In order to meet the highest hygiene requirements, our filter cartridges are sterilized and provided with a low silver content (in accordance with the recommendations of the World Health Organization WHO). This enables us to achieve a consistently high level of quality. Only in this way can we ensure that the sensitive product drinking water is always handled in accordance with the highest hygiene standards.
Tischwasserfilter FAQ
Tischwasserfilter FAQ

What does the filter granulate consist of?

Our filter granulate consists of a carefully balanced mixture of activated carbon and ion exchangers. Thanks to its large surface structure, the activated carbon binds substances that impair taste, such as chlorine and chlorine compounds. The ion exchangers absorb lime-forming substances and heavy metals such as lead and copper and thus extract them from the filtered water.

Using the Magensium Mineralized Water as an example, the BWT filter granulate is additionally equipped with the patented magnesium technology, which releases magnesium ions into the filtered water in exchange with calcium ions. This means that the pH value is lowered less than with conventional table water filters. The result is a better taste of the water and the food and drinks prepared with it.

Tischwasserfilter FAQ
Tischwasserfilter FAQ

How long do BWT filter cartridges last?

If stored properly, the original BWT filter cartridges can be stored for several years.

Proper storage means:

  • At temperatures between 1°C and 40°C.
  • The filter cartridges should always be stored in the original packaging foil until the filter cartridge is changed.
  • The filter cartridges should be stored cool, dry and protected from sunlight.
Tischwasserfilter FAQ
Tischwasserfilter FAQ

Is fluoride filtered or reduced from the water by the BWT filter cartridge?

No, the BWT filter cartridge is not designed to filter fluoride out of the water or to reduce the amount of fluoride.
Tischwasserfilter FAQ
Tischwasserfilter FAQ

What do I do with the used filter cartridge?

Always observe local disposal regulations!

Filter cartridges and filter filling: Dispose of exhausted filter cartridges and filter fillings in household waste.

Packaging material: If locally possible, dispose of foils and cardboard boxes in the waste separation system. This helps to protect the environment.

Table water filter system: If locally possible, feed the table water filter system into the waste separation system. This helps to protect the environment.

The Easy-Control change indicator is an electronic component that must be disposed of in accordance with local regulations and statutory provisions. The change indicator can be removed from the lid using a screwdriver attached to the edge of the Easy-Control.  The Easy-Control should only be removed from the lid during disposal.


What happens if a part is defective or broken?

We replace the defective part completely (e.g. the lid) within the scope of the statutory warranty of 2 years and send the spare part postage paid to the end user.
Tischwasserfilter FAQ
Tischwasserfilter FAQ
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