In the past people have tried filering with inexpensive coffee filters to expensive lab type fiber filters. I believe they all experienced contamination which affected the stability of the CS.
I believe that ceramic or plastic filters probably stand the best chance of not affecting the CS adversely. Marshall Stephen Summers wrote: > Dear Marshall, Ivan & other members Would there be any reaction in a > CS solution that is filtered through a carbon filter, cotton filter or > resin bed? The idea would be to clean out any oxides or other > impurities which may have formed. To put the question differently: > What would be the best filter to use for this purpose? All feedback > will be much appreciated. Many thanks Steve

