leaking from bulkhead?!?!

[Adrenaline101]

Is the hose barb threaded or glued into the bulkhead? And is the that where it is leaking? Normally I see bulkheads the other way around with the nut on the bottom, main thing is the seal should be on the wet side.

If the bottom barb is removable you might be able to drain the tank below the output nozzle and reseal it.
Otherwise from my knowledge it will require a tank drain.

*edited, I looked again and is that crystals forming at the edge of the hose? The lack of a clamp could be the leak