Was it you that picked up that frag from us?
They're very forgiving, are you having trouble with it? In diablitaroja's tank it's in what I would call medium flow, 1/3 of the way up a 55 gallon tank under 2 10k and 2 actinic vhos. I have a single tiny head in my tank about 10" under a 20k 400w halide that appears to be happy, also under medium (or low) flow.