[header] How to care for a white's tree frog [title] Buy a large aquarium. [step] The tank should be at least 20-gallons. The taller the better, as white's tree frogs love to climb and to perch themselves high on branches. 
You can purchase a tank at a local pet store or online through a company like exo terra. [substeps] Arboreal and terrestrial tanks are your two best bets.