Confused about bio-chamber in protein skimmer

sixt3denied

AC Members
Mar 2, 2008
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I was thinking about buying the bak-pak 2 protein skimmer. It comes in 2 versions. One with a biological chamber that utilizes CPR's Bio-Bale biological filter media to provide maximum surface area for beneficial bacteria to colonize.
The other version is "reef safe" and doesnt include the biological chamber.

My question is: Why would you not want a bio-chamber in a reef aquarium?
 
Waste trap and nitrate production.

In most reef tanks, the live rock and sand bed is the bio-filtration.
 
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