Hello everyone. I'm new to reefing and would really appreciate any and all input to my aquascape idea. The tank is 90 gallons and will be a mixed reef as time goes on. Let me know what you think all in all (surface area, flow limitations, hiding areas, overhangs, and the ability for fish to have plenty of swimming areas). This tank will also have about a 1 1/2" - 2" sand bed, if that makes a difference. I want to learn all I can and am open to suggestions. Nothing has been glued or cemented yet. So any changes can be easily made. Thank you in advance for your input.