Hey i heard you could use cork bark in an aquarium, anyone know about this shiz? On an edited note, I'm putting it towards the back making a terrace of sorts, then filling the gap with sand.

Does anyone have experience with using cork tiles as a tank background? I've obtained some dark 1-foot square cork tiles approximately 1/2" thick from a hobby store, and hope to use these as the basis for the background of a AGA 15-gallon long (24"x12"x12") plants-and-shrimp tank. I'm...