We just got two used Monster enclosures that are 30" deep x 18" tall x 84" long. Even though the seller hadn't used them in two years and cleaned them before I bought them, I still cleaned and disinfected them again once they were home. Getting into those back corners is... challenging! I had to almost climb into them to clean those areas, and I'm not a short person. So, any substrate preferences and tools/tricks for making the cleaning job easier once I house a critter in it?