- Location
- Long Island
do you run carbon at all times or sometimes:splitspin
Running carbon in a media bag is running it passively (as Tosiek eluded to). Water will always seek the path of least resistance. A media bag filled with carbon (or any other media for that matter) is an obstruction. Water 'wants' to go around it.
Running carbon in a reactor is running it actively. The water has no other place to go other than directly through the media. Much more efficient this way.
Russ
Here's a good write up on carbon use in a reef tank
http://joejaworski.wordpress.com/2008/05/09/does-a-reef-tank-need-carbon/