Has anyone used acrylic with an anti-scratch coating in a tank build? I came across this product which looked like it might offer a way of preventing scratches--don't know what a 4 x 8 sheet would cost though.
http://www.tspinc.com/acrylic-sheeting/
http://www.tspinc.com/pdf/OpticalGradeCastAcry.pdf
http://www.tspinc.com/acrylic-sheeting/
http://www.tspinc.com/pdf/OpticalGradeCastAcry.pdf