I looked at both for my tank but ended up going with the remora LOL. Sorry I couldnt be of ANY help. LOL
But hey, good luck
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.