I was also trying to give advice based on my own experiences, that is what the forum is about. I haven't trashed any of your advice and if people are doing that to you, take it up with them.
i've got 3 pepper corries in with mine acting as a clean up crew for the food he misses.
For water movement i have an internal filter modded to fit 2 spraybars but under the water one bar faces up for agitation and one down for a bit of current at the back of the tank. all is well