Help with activated carbon in filters please

  • We are currently upgrading MFK. thanks! -neo
I've always had carbon in my tank. I thought I had to have it but if not that would be great. I have a magnum 350 w/ bio wheels 3 powerheads for underground and an aquaclear for 125 gal. Would my tank still be ok with out carbon or does it matter if I have it in or out.
 
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