Recently I downsized from a 125 gal mixed reef to a 50 gal mixed reef. Since then, I would like to upgrade my powerheads for a 50 gallon LPS reef. I would be downgrading my Neros (can't remember the number/version) to Nero 3 or a Jump 4k gyre flow pump ( 2000 gph). What does everyone else use or suggest, and why?


