I know people hate Seaclones, but if it's all you got then heres a way to beef it up.
1) Replace that damn air adjuster with a real air control valve this alows for fine tuning.
2) Cut down your cup riser by about half with a rotary tool. Caution go slow or tool will melt plastic and stick...
:D
Nice to find a good site.
My current project is this 29g. It is "under construction" at this time. I started with 30# of dead reefbones and a 5# hunk of Florida Live. I wanted to make my own LR. My light is a hodgepodge of NO flouresence. I run bare bottom with two 120gph powerheads...