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Discussion Starter · #1 ·
Getting my Fluval 406 setup for the first time and it came with 2 different filtration trays that both use the little bags of carbon. Is the carbon really needed? I have seen some videos on Youtube that suggest using it only if you are wanting to filter out medications that had previously been add to the water...? Any thoughts...? Should I get some more of the Fluval Biomax media instead...? Some videos showed using lava-rock in one of the trays...? What do you guys use?
Thanks for any advice! :)
Todd
 

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Carbon is not required and could even be a bad thing, as it is being implicated as a contributory factor to Hole in the Head disease.
I use non-porous ceramics in the bottom, then sponges, then porous media (any) at the top. Then 'polishing pads' if you want them.
 

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no need for carbon. There are many better options for media in canisters. Manufacturers like carbon as it needs replacing regularly and therefore is a revenue stream...
 

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I don't use the 406 (use FX6) and I use Seacham Matrix in all 3 baskets - the top basket also includes a course and polishing filter. I'd use as much media as I could get in there.
 

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Discussion Starter · #5 ·
Thanks for the replies! Left the carbon out, bought more Fluval BioMax. Thinking about getting some of the Biohome media, anyone using it? Opinions?
Thanks
Todd
 
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