water turtle food

i have two baby water turtles and im having a hard time getting them to eat. one of them has slowed down a lot and doesnt seem to be healthy. im thinking of putting him in another tank. i have tried feeding them baby aquatic turtle food but they havent eaten any of it. does anyone have any suggestions? thanks

When I got my first RES as a baby he didn't eat for over a month, he came around though and eats like a pig. How long have you had them? What are you feeding them now?