Quote Originally Posted by GaryP
Mark,

You might want to read Anthony Calfo's book, Coral Propagation. It contains a lot of good info on how to set up an effective green house. Calfo makes the point that its easier, and more cost effective, to heat a greehouse up north than it is to cool one in the South. Of course, that is in regards to a large coral farm like his in PA.
Already got a copy. Great book!