Digger I will post a more pics of the set-up. I'll make sure you can see the Lexan divider better. Give me a couple of days and I will post them.
I didn't use rocks to cover the Lexan but I did use sand. I put some aquarium silicone on the Lexan then poured the sand over it. It worked out good.
55g planted tank, CO2 System, Eheim 2217 & Fluval 4 Internal filter. Just over 2 watts per gallon, 30g planted semi-aquatic Newt and Toad tank, 20g African Cichlid tank and a 2g Nano