O i c there a liquid for straches its 30 bucks thou. Heres the link for it http://www.bigalsonline.com/Fish_Maintenance-Equipment_Scratch-Removal_Scratch-Removal-Kit-Acrylic-Aquariums_8247809_82.html?tc=fish
Hey good luck with the set up.
The lighting upgrade will be a big challenge.
Let me know in case you want to get the acrylic parts I got from canal plastics.
I go there every now and then so I can hook you up with parts.