I've been told an UGF
is a nightmare with SW
tanks. Since the substrate is finer than gravel, it can just get sucked up into your filter.
75 gal SW
tank, Eheim 2215 Filter, 45lb Figi Premium LR
, 2 Maxi-Jet Powerhead/Pump Model 900
5 Dwarf Red Tip Hermit Crabs, 5 Dwarf Blue Leg Hermit Crabs, 3 Emerald Mithrax Crabs, 1 Cleaner Shrimp, 1 Fire Shrimp, 10 Cerith Snails, 10 Nassarius Snails, 6 Bumble Bee Snails, 16 Turbo Snails, 1 Brittle Sea Star
Yellow-tailed Blue Damsel, Foxface Lo, Coral Beauty Angelfish, Sailfin Tang, Scooter Blenny