Turning it into an open reef with a 20-foot depth would mean throwing away the principle that SereneScreen is founded on.
Sigh
Somewhere along the way my original comments/questions got misinterpreted. Please understand Jim, I wasn't questioning (as in complaining or trying to find fault in) your reason for making the SSA what it is. I was really just curious as to what other ideas you "might" have had earlier on in the beginning before you finally went with the decision to go with an aquarium layout. So please don't try to defend why you made the SSA the way it is, I understand the reasons and totally respect your work.
Anyway, I apologize if I some how put you on the defensive, it was not my intention. I should have made my self more clear as to what I was asking and why. If anything, I thought my questions and your responses might have provided the forum with something more in dept to read about you and the SSA's origins.