Sorry to sound Ignorant, But what is the difference between a sump and a refugium? Thanks for the answer's
Scott
Scott
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I just put the sealant on my 5.5 gallon just now. This is basically going to be a simple sump and refugium mix (to my understanding). This 5.5gal will sit directly behind the 10gallon display tank. They will be connected by the overflow box. I'm going start off with a water polisher added inside the overflow and in the first chamber I'll add a protein skimmer. Second chamber will be aquarium sand (instead of mud because I'm on a budget) and algae with a light so I fill it with tigger pods so that they can breed (hopefully) and feed my scooter blenny. 
