well i got my first fish and added him to my tank. I seem to have to change my water every other day due to nitrates. they go from 5 or less the day before, and rise to 10-15ppm in 2 days. my tank is a 10 gal with 15lbs of live rock, and 10lbs of live sand, 1 margarita snail, 6 narsisuss...