Even a small-volume fuge will be beneficial to your tank. Bigger would be better of course.
I'd say to go for it.
Acrylic, 250 lbs Fiji/Tonga mix, 3x175 watt MH
& 2X96 watt PC
, 1/5hp Arctica chiller, EV-180 skimmer
Brown Tang, mated pair Clowns, 4 Fire Gobies, 13 Chromis, Orangespotted Sleeper Goby
Some corals and inverts yet to be identified!