Audioholic here

I plan on going as large as possible, like I said everything is most likely going to be DIY or as much as possible. Depending on the simplicity and if it is necessary to build my own tank will depend on the measurements I get. But I will keep everything updated when I get to building. Thanks for all the info also, I will be putting the rock in the middle of the tank so it seems more proportional on the pass through since it will be viewed from both sided. Should be interesting to see what happens