Hello again,i really enjoy reading and seeing about your fantastic tanks, and also how you take care of problems that come up. Iam going with a 20l and since i am not a mr. fix-it, what kind of lighting should i get for over the glass canopy we will try to keep some lps & sps corals and a few non aggresive fish , since a 20 l is only 12" h what kind of lighting can i go with Thanks Stuart