fluval m90

I have always been dissatisfied with the color of my Fluval M90s back wall. It looks to me like schedule 80 Gray but dull. I was thinking of cutting a piece of black acrylic to the same dimensions and cover it. Perhaps glue it to the existing or maybe just some nylon nuts and bolts or clamps...

Hello, first time posting on here so please let me know if something is wrong... I'm selling rainbow rose bubble tip anemones and live rock from a couple tanks that were recently shut down. The anemones will be $50 (2-3"), $75 (4-5"), $100 (6-7"), and $125 (8" and up). Rock will be $3-$5 a...