I don't know why it has nitrates, wish I did.
Setup: 2"-3" sand, approx. 90 pounds live rock, sump w/ bioballs, skimmer in the sump (seaclone) doesn't seem to produce much waist, mag 9.5 pump, and (2) maxijet 1200.
stock: 10 turbo snails, 8 snails that go under the sand, 10 hermit crabs, 4 emerald crabs, clown fish, royal gramma, and mushrooms.