Guys, thank you for the excellent ideas. I was researching the topic like mad, and stumbled upon this article:
https://reefbuilders.com/2010/04/28/...ibly-marriage/
I liked the idea of having some ventilation space under the bottom glass, so I ordered myself 12 tiles. I plan on putting some rubberized carpet on top of the Dri-Dek tiles to keep the splash off the floor altogether, as well; thank you Mindy!