I think it was suggested in another thread to start here for this. http://www.liveaquaria.com/product/a....cfm?c=15+2124
You'll notice on the right side of this link a set of drop down boxes to help refine things. It's not "the" bible but fairly close and respectable. I started with a 14g BioCube and and I've got a goby/pistol shrimp pair. I hear the pistol more than I see it so it just doesn't have that "pop" I was looking for.
Totally agree with Mebbid on going big. Opens up A LOT more possibilities for sticking. I would suggest utilizing the 20 for this project as a sump/fuge. It will add to the total water volume making it easier to obtain/keep more stable parameters.
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