I have a submersible heater in my 14gal biocube that I relocated to the back compartment were the powerhead is located instead of looking ugly in my tank. Is it okay if it's not fully submerged and sticking out like 2 inches?
14 gal biocube salt
1 orange zoo polyp colony, 2 toad stool (small), 1 umbrella leather (large), 2 pulsing xenia, 1 star polyp colony, 7 blue mushrooms, snails, pep. shrimp, 3 blue legged hermits, 2 onyx percula clowns