BWT Bestmax

BWT Bestmin Filter

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Bestmin Premium M Filtration and Mineral Addition System
The re-mineralizer downstream of reverse osmosis

The BWT bestmin Premium is a single cartridge water filtration and mineralization system, perfect for home or commercial baristas with soft water. The bestmin removes particles, chlorine, and organic components; improves taste and smell; and adds minerals shown to enhance the desirable qualities of filter coffee. Notably, the AromaPlus formula includes magnesium to stabilize the water’s pH and increase coffee’s sweetness. This cartridge works well for espresso and filter coffee applications. The bestmin Premium must be used with the BWT Filter Head with Flush Valve. The filter head attaches to the top of the cartridge, allowing water to cycle through the cartridge and out into the water line. The flush valve enables you to easily replace cartridges and to purge the first few liters of water, a necessary step for purging air bubbles and excess resin that should be kept out of your coffee equipment. Before purchasing a cartridge, we recommend that you first purchase a BWT Carbonate Test to test the hardness of your water. The Carbotest will result in a GPG (grains per gallon) number that, when checked against this table, will help you choose the best cartridge for your water usage.

BWT's Bestmin Premium filter cartridge is designed for use with water with low mineral content, or RO treated water to optimize it for use in food service and beverage preparation. The Bestmax Premium uses the four-layer filtration process detailed below:

  1. Pre-Filtration - Activated carbon filtration to eliminate unwanted tastes and smells.
  2. Natural Mineralization - Remineralizers water with magnesium.
  3. Activated Carbon - Further elimination of undesired odors and flavors.
  4. Fine Filter Screen - Filters out additional fine particles from water.

Please Note: Regardless of the total water volume run through the cartridge, BWT recommends replacing your filter after a maximum of 12 months of use. The Bestmin Premium M has an average capacity of 10,000 liters.

Product details

BWT bestmin PREMIUM is a unique filter system specially designed to mineralize water that is virtually free of salts. BWT bestmin PREMIUM is an integral component of the compact BWT bestaqua MIN system's reverse osmosis unit, a clever combination of reverse osmosis and downstream remineralisation, specially developed for raw water with high salt and chloride content.

This filter not only removes undesirable components such as particulates and substances that lend an unpleasant taste or odor, such as chlorine, but also features a special mineralization unit that refines low-​mineral raw water to create a finely mineralized gourmet drinking water ideal for making any hot beverages and coffee specialties. Furthermore, in regions where sourced water is predominantly soft water, BWT bestmin PREMIUM can also be used to remineralizer raw water for general use in the restaurant and catering industry.

Technical advantages of BWT bestmin PREMIUM at a glance:
Multi-​stage filtration
Integrated active carbon filtration
Filtration of all treated water
Ease of handling when replacing the filter
High filter capacity
BWT remineralisation for higher magnesium content
Simple installation via universal BWT best head FLEX connection technology

Technical details

Connection thread (in/out) variable (1)
Inlet pressure, min. – max. in bar  2–8 
Water temperature, min. – max. in °C  4–30 
Ambient temperature, min. – max. in °C  4–40 
Total height without bracket in mm, approx. 475
Total height with bracket in mm, approx.  500
Connection height in mm  425
Distance to floor in mm  65 
Installation length in mm; 125
Ø filter cartridge in mm  130
Weight in kg, approx. (dry/wet); 4.0/4.5
Filter replacement recommended after months 12
Order no. of filter cartridge  FS24M10A00

Please Note: Regardless of the total water volume run through the cartridge, BWT recommends replacing your filter after a maximum of 12 months of use. The Bestmin Premium M has an average capacity of 10,000 liters.