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Re: Filter Media?
I run a canister filter also and in it I have some biological media (clay and
rock products by Eheim that culture bacteria) and some mechanical filter
pieces...i.e. filter wool. I have read in too many places that using carbon
will take out the additives/trace elements that you are working so hard to
put in. The plants are such a good filter themselves that people such as
George Booth say that carbon is not needed.