Calcium Filter

[canmorebrewguy]

Hello All,
I am wondering if anyone has some information on a filter that will remove calcium.
Cheers,
CBG

 

[MaryB]

RO Filter.

 

[mabrungard]

As pointed out above, a RO machine is a 'filter' that can remove calcium. Of course, it removes most of the other ionic content also. If calcium is the primary ion you want to remove, then a salt-based ion-exchange unit will remove calcium, but replace it with less desirable to brewing sodium or potassium. For most brewers that have too mineralized water, RO is the method of choice.

 

[Lefou]

A very basic "filter" method for "hard" or mineral water containing carbonates is boil, cool, then strain.

It isn't as efficient as RO, but helps some.