I'd like to see what you end up building. I have RES turtles and thought about doing the samething.
Off topic: how long do those 3D backgrounds
As a ballpark, given how those pot scrubbers seem to nicely sit on end, those 304 trays look to be a good ~3" deep.
Chaotic- You're all over the map here. Like authmal asked, what are your tank's water parameters in ppm for ammonia, nitrite and nitrate? Without
Please provide documented proof "that HOBs *will* always have a higher value there than a canister for a similarly sized tank"...
The sponges in my Aquaclear 30's don't get very dirty either, especially the one in my 10g. They can easily go over a month between cleanings. I've