skimmer only systems

[kris]

Hey i was reading some things on the "berlin" system of reef keeping. And i was woundering is it possible to run a reef with only a skimmer? Dose any one out there do this? mine is a 33 and i use a red sea prizm skimmer which is good up to 90g, curently i can not set up a sump where i am so i am running a ehim canister filter <no bio balls> oh and lighting is PC 110w and a vho acentic blue