Flow - Rule of Thumb?

[parkinsn]

I found that the more flow the better. My LPS would sway in my tank with a mag 18, koralia 2 and 3 aqua clear power heads i had in my tank (120g) and i added 2 koralia 4's and a koralia 3 to my system, and my LPS still sways about the same they just have to adjust to the amount of flow you put to them