How do you guys cut your egg crate to fit your tank dimensions? The tank is a 20 long, so 30LX12HX12D. This is the specific product I have in mind...
http://www.homedepot.com/p/Plaskoli..._-homepagehorizontal1_rr-_-NA-_-202025149-_-N
http://www.homedepot.com/p/Plaskoli..._-homepagehorizontal1_rr-_-NA-_-202025149-_-N