Ok I have a 55 gl tank that I want to make into a sump for salt water can all you mfkers help with design. I would like to know how far apart should my baffels be how much space is requierd for a protien skimmer any info will help I have very lil exper. In sumps and refugiums and what would u guys recomend is better plain filtration sump or refugium. thanks in advance