Now, we’ll need to decide on a pump. I’m a little old school and still use a rio pump for my 40 gallon. I couldn’t find the Rio I have for sale, but the pump in the link below would be a good old school one.
500 gph maximum flow with a 10.5' shut-off ceramic shaft 10' grounded power cord foam prefilter included operates submerged or in-line 5 year limited warranty 1/2" in/out Nominal: 500 GPH Watts: 49 GPH at 0': 570 GPH at 1': 480 GPH at 3': 425 GPH at 5': 325...
premiumaquatics.com
I know that DC controllable pumps are the rage lately. But, honestly, I don’t know much about them. I’ll let someone who knows more chime in.