I do filter out the black oxide like residue that dirties the
> colour - that builds up on the silver electrodes. I use coffee
> dripolater paper filters and the result is a good yellow colour
> after about 45 minutes.

>Be careful the filters you're using don't have "flavor enhancers" or
>any other chemical additives in them.

Some time ago on the Rife or Silver list someone warned against
buying certain coffee filters due to a chemical in them.
Does anyone know what brand of filter is "clean" and
which brands to stay away from and what the chemical is?