i agree with beth try to go for the ceramic tile or they call it slate. Very easy to clean up and it looks great too. For my 20 gal long It cost under 10 bucks and i will only have to replace them if i break one. Yea!!! that saves me from having to replace the substrate every year.
1.2 Bearded dragons (Login, Raven, & Jean Grey) 1.1.1 Corn snakes(Havoc,Sable, & Kink0 1.5 Leo's (Psyloke (Lucky-male) Speedball, Domino, Rouge, Siren, Elektra) 1.0 Veiled Chams (Neo), 0.1 Rose Hair T. (Night Crawler) 0.0.3 Crested Geckos (Shiva, Storm, Beast) 0.2 Kenyan Sand Boas (Tigra & Cloak)