welcome to the forum and BP world!

i would get a smaller tank instead if possible (or return it before it's used). i started with my first BP in an 18 gallon with alotta clutter, but keep most on miry collection in tubs. it will take a lot to heat a 40 gallon tank and I would add a ceramic heat emitter instead of a heat bulb. and as Dave mentioned, please get a thermostat or something to regulate your UTH. u don't wanna burn your BP.

All the best and we can't wait to see pix of your new BP.