Ok so I currently do not have a skimmer. I have a 55 gallon with 10 gal sump. Very very limited room in sump!!! I wanna run a skimmer in sump... Stuck between two skimmers.... Coralife super skimmer 125 or aquac urchin! Both are under 200 but I'm concerned about the foot print for a skimmer. Which should I run???