Quote Originally Posted by Reef Swimmer View Post
I think it's 1 in. I put 40lbs of new sand in my tank.
ah, ok. i thought you had decided to go deeper in the other thread.

Quote Originally Posted by Reef Swimmer View Post
Ok I think I'm going with a 2 in sb.
anything between 1" and 4" is asking for continuing trouble. be patient, it will take a while for the tank to settle in. you can expect several algae blooms including the diatoms you have now, cyano and hair algae. some tanks have heavier blooms than others.