The Aqua EV series and Kent skimmers are designed for tanks 200-400
gal and will better handle the bio-load for your 90
gal tank. That and they have a well proven record in this industry. The
Kent TE skimmer is actually cheaper at drsfostersmith.com for $140.00
I’m glad your
lfs is being honest. Most of the ones around here and elsewhere mark them up 100+%
I’m not sure what the NV150 is rated for since I haven’t used it or even seen reviews on it.