Hello and welcome to the FF! I have a soft spot for grey tree frogs, they are just sweet fun little guys! My grey, Paddy, was my first frog and I think greys will always top my list as a favorite. Here is a good care sheet - Frog Forum - Gray Tree Frog Care and Breeding - which you may have already read in your googling. If you have any questions, feel free to ask, we're happy to help!