hi all, i'm new at saltwater, have a 200 gallon tank, been running for about nine months,started real slow as far as adding the water getting sump running and then adding live rock and sand;expensive endeaver with a large tank,have about 250 lbs of live rock,added reef safe fish slowly along with corals.have had freshwater fish for a long time, bred and raised numerous different kinds of fish,so i had some knowledge as far as water parameters, minus the salt of course,anyway thanks for letting mr join, hoping to pick some brains on here to help me out, thanks