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Water Care for Coffee Machines

Water Care for Espresso machines and other coffee and tea making equipment.
This type of equipment is very susceptible to limescale formation, which builds up inside boilers and pipe work. This scale formation will then cause the machine to breakdown necesitating an engineer's call out and de-scaling.
In addition to scale, other elements such as chlorine, dissolved organics and heavy metals present in the water can adversely affect the taste of the beverage. Chlorine also forms a weak hydrochloric solution when the water is boiled and this can cause corrosion within the cofee machine.

Recommended Water Treatment: Calcium Treatment Unit (CTU)
The CTU was developed by to provide a solution to these problems. The system employs a food grade de-alkaline resin to remove the temporary hardness in the water, which prevents scale from building up, plus granular activated carbon, which removes the chlorine, dissolved organics and heavy metal, to improve the taste of the water. Unlike a standard salt-based water softener, the CTU does not increase the sodium levels in treated water. It is of a food grade quality and is a WRAS approved poduct.
The CTU has a finite capacity and must be exchanged when it becomes exhausted. The frequency of exchange is dependent on the water hardness and volume of water being used. Failure to carry out exchanges as required will prevent the unit from protecting the coffee machine. CTUs are available in a range of sizes to suit each application whether it is for a single machine or a multiple installation.

Operation
Temporary hardness salts – calcium carbonate and magnesium carbonate – and heavy metals are attracted to the CTU’s food grade resin beads and thus removed from the water supply. After softening, water exits the CTU via a silver-impregnated carbon filter incorporated in the central riser tube. This removes any remaining traces of organic matter and chlorine. Unlike some systems, the resin beads and activated carbon are not mixed together.

Canister Exchange
As CTUs cannot be regenerated on site, exhausted canisters need to be exchanged for fresh canisters at predetermined intervals. Frequency of changeover depends on the water hardness and volume of water used.

Areas of Hard Water
The graph below shows the areas of hard water in the UK.

Areas of hard water - coffee machines manchester