Use of a plenum in a marine tank
Hi all,
I am thinking of setting up a 100 gallon marine reef tank and would like some feedback on the idea of using a shallow (2″-3″) aragonite base in the show tank together with about 50 lbs of ‘live rock’; a mechanical ’sock’ filter in the sump together with a large capacity protein skimmer; plus a 40 gallon refugium with 4″ coarse gravel over a 2″ plenum.
The idea being that most of the nitrification/de-nitrification will take place in the refugium aerobic/anerobic areas respectively and that will reduce the need for more volume of live rock. Otherwise I have read that it is necessary to have about 1 kg of live rock per gallon, which at $7/lb makes this a very expensive filtration system.
Would appreciate some feedback on this idea.
peter
Category: AquaticLife
