Biomax in a Fx5

  • We are currently upgrading MFK. thanks! -neo
Why use carbon? Unless you have chemicals or medicine in your water you want to remove. I used BioMax in all three trays on mine and my water had never been better. will this be your only filter on the tank?
 
My fish tank smells like ****
 
On my 125 I have 2 AC110's, 405, and will be adding the Fx5 as soon as it comes in.
 
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