Great minds think alike! I liked it...OMG, I just bought that same exact shelf liner for Luci's tank!
It's very easy to clean. It's a shelf liner, non-stick without adhesive nor paper. They come with a lot of designs. Camo, wood, stoneWhat are you using for substrate? It looks nice and easy to clean.
I wonder if the awkwardly creepy eye, peering in the viv, has anything to do with it.