Not new to aquariums just used sumps. I have a new 65 gallon Aqueon with the mega flow built in. The output for drain is 1Ē and input is 3/4Ē. Will there be any problems with the sump being a 3/4Ē connection at the trickle or should I change that out to 1Ē also. Also I was thinking about changing the bulkheads to thread x thread and ditching the parts that came with the tank to make it easier to access them if I need to later. What is the best setup if I change them out? I will be keeping cichlids in the tank. Also inputs on ball valves and check valves. I have a mag 5 pump 500gph.