Under-gravel Filters & Airstones
So I'm building a Coralife Biocube 29 gal
and i just wanted to know if you can use under gravel filters with sand? (Please excuse me if this is a stupid question...) Also, can I have a airstone bubbler in a biocube?
Fish: 1 Occelaris Clownfish, 1 Firefish Goby, 1 Scarlet Skunk Cleaner Shrimp, 1 Blue Green Chromis.
Corals: Green Star Polyps, Armor of God zoas, Purple People Eaters zoas, Button Polyps, Kenya Tree Coral.