i am going to setup a 20 gallon tank. i am downgrading from my 55 gallon tank. the twenty gallon tank is going to be a regular one. i have 35 pounds of live rock the same for live sand. i have a maroon clown a diadema pseudo and cleaner shrimp. i intend to have a back pack fuge. i am going to use for lighting 2X65 watt pc fixture all 10,00k bulbs. is this enough light to keep sps? i intend to keep a mixed reef but with sps dominant. i am going to use teh same rock, sand water and etc from my 55 so im knida sure i dont have to cycle again. big question is kan i do sps in this tank. i intend to add two more fish. 4 fish at the most.. so how does it sound