gasket

Just purchased and installed. Ran and noticed small leaks on the top where drain and return lines plug in. Realized there should be a gasket here, checked box and didn't see any. Also checked online and saw no mentions of this or discussion anywhere. No instruction manual anywhere. Am I...

Hello friends, Last night during a water change we noticed a leak coming from the return tubing on our 160 gal mixed reef tank in our school. When we took a look, it was actually coming from the tank-bulkhead connection. We were able to wiggle it for it to stop leaking, but of course we want to...