need advice

[Aquattro]

Rachel, listen to Darren on this one. Buy the PROPER sand. If you need to cut corners, Bruce and I can help you build a skimmer, reactor and lighting solutions. Maybe Dolomite is great stuff...killing a coral isn't the way to find out. There are a lot of ways to cut costs in this hobby, but there are other areas that just don't warrant it. Sand is one of them.
Talk to Bruce about the options available to you when you see him, he'll give you good advice.