Hi,
Hey, we are all learning stuff and have questions.
Usually we are talking about protein skimmers. They are a unit that creates fine bubbles in a cylindrical tube which extracts protein from your water and thereby clarifies your water. Just google skimmers and you will see.
_________ 125gal Reef/Fish,40gal sump,Reefmania calcium reactor,MH,UVH,Moon,Aquazone plus 100,Auto Topoff,CoraLife 125 skimmer,GHL Profilux computer & special effects lighting.
Fish:Coral Beauty,Yellow Wrasse,African Clown Wrasse,BiColor Anglefish,Banded Goby,Psycodelic Mandarin Goby,Spotfin Angelfish
Inverts:Long-spinned Urchin,Crowned Urchin,Feather Dusters,Fire shrimp,Banded Shrimp,Brittle Star,snails
Corals:Cup,Frogspawn,Pink Open Brain,Yellow Dot
Zoanthid,White Tree,Leathers  | 
Very newbie question 
