All right folks got a few questions. I am kinda new to this so sorry if I ask any dumb questions. I have decided to upgrade from a 90 gallon to a 120 gallon and I want to do it right. The 120 has two overflows. I was thinking about adding a 2nd return pump (one for each side and I have room in my sump) instead of plumbing them together. Good or bad idea or doesnt matter. #2 I have also been looking at reefkeepers. What are the benefits and are they worth the price? #3 Placement of live rock. Is it better to put it on the glass bottom and add sand afterwards or put it on the sand. In my current system rock is on the sand. Are there any other ideas? #4 inside of stand . I have seen plexiglass and or formica material in the bottom of stands. Benefit ? Any other thoughts or advice would be appreciated. I have been looking at alot of the build threads. Some really talented folks in ARC. (by the way when I am ready to make this switch I would be glad to pay gas money (ilive in Dalton), provide ribs and beer or coke to any of you guys that could help me make the move. The new tank is going to go back in the exact spot as my current tank) So it will have to be done in one move UGHHHH! Thanks Bill