Posted: Sat Oct 09, 2010 3:36 pm Re: Hibernation??
If, as you say, they're two and a half months old, there's no way they could have hibernated last winter---they wouldn't have been hatched.
Turtles hibernate in response to unfavorable conditions (it's a physiological response to the cold in the wild). Your hatchlings needn't and shouldn't hibernate. Get a submersible water heater for them, set it at 78F and enjoy the winter together.
"You become responsible, forever, for what you have tamed." -Antoine de Saint Exupery-