what are T5 and where can i get them?i know they are metal halide right but ive never seen them.will the 20g i have work?i dont want to buy a fourth tank heh.i also have a 10g and a 75g freshwater oscar tank.
what is mag5?i was planning on pickin up an overflow box do you know how much those materiels you mentioned cost?im also looking for a skimmer