I have a 32g biocube that's been up a little over 2 years. I made newbie mistakes and just made a giant pile of rocks on top of the sand bed. Can I take out the rocks and sand and if so how to I keep it alive? It also isn't glued, do I use cement or super glue if it's wet. Also any advice on how I should set up the aquascape and flow for zoa's would be appreciated thank you