i was thinking about possobly adding a tile floor inmy viv, but my lizards like to burrow, and i have quite a few heavy things in the viv anyway, i recently added a new heat bulb as i found out mine was too small for the size of the viv, and i also added a heat house. basically it is a little cave with a heat source in the lid and the lizards the like to lye on it. cute. Duma seems to be getting on better with Hermosa than Ziva. who unfortunately died in september