i have a very similar setup on my 10 gal, the wisper 10, a 50watt heater, a 96 watt coralife, but i have a minijet 606. I have 13lbs of live rock in it, 15-16 is a good range like you said. and i have a 1.5 inch sand bed in it. I'd also suggest getting a surface skimmer and attach it to the...