the live sand isn't a must, sorry i mis-led, the live rock poundage you lfs quoted is good. with the sandyou don't have to limit te types of fish, some won't live with crushed coral either because of eating habits, or where they live tank wise. at least 4" of substrate is a good start. also live sand i have found easier to vac up and keep clean. still c.c. is just fine if that is the look you want, it's your tank and you will be the one looking at it every day.
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me likin' the fishies, berry, berry much!!!!!
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