Water movement (pumps & wavemakers)
I'm new to saltwater fish keeping but I have many years experience with FW. I'm ordering a 10ft by 2ft by 2ft (400 gal / 1500 L with sump) custom tank complete with a large sump, overflow, auto top-off etc. Fully plumbed.
I'm planning on making it a FO (mainly larger angels, wrasse...