I did not add a plenum.....

[nanshaw2001]

I don't have any fancy equipment yet and from what I see this is something simple to make and install. The tank is now 4 months old. No corals or anything similar....just a few damsels. Sould I pull out the rock and install one under the sand bed....even if it is a little undersized? I can see where it would benefit the tank. Thanks in advance!

 

[gary shandling]

No. They are only a nitrate factory. Your LR and LS will be fine if you have proper water circulation.

Why do you think you even need this?

 

[freetareef]

www.garf.org
many different ideas being kicker around as plenums, do some research... real ones work. just as dsb. just ask calfo.