Does anyone know of rack tubs that are clear? As in, close to the clarity of glass or plexi? I'm trying to convince the hubby to get a rack system and we are going round and round because he wants to be able to "see his snakes." He doesn't like the look of the tupperware type tubs. So do you guys know of any sites that sell tubs by themselves that have really good clarity? We are planning (if I can convince him that is) to build the actual rack ourselves.