I have picked up porcelain tile for the substrate of my tank. I'm currently sanding a few of the tiles down to fit snug, and was wondering what everyones opinion was on sealing the tiles in place and all the way around with almond silicone or something similar. I've read a few things that say not to seal the tiles in place because it being able to remove them makes it easier to clean. Wouldn't it be easier to clean if it was sealed together properly, and not having to remove the tiles?