What is the water temperature? 78
Did you use a thermometer? Yes
Are you using a water heater? Yes
How much water is in there? 2/3
Are you using a water conditioner? NO
Are you using any filtration? Yes, Fluval 305
What is the basking temperature? Not sure.
Is there a basking light? Yes
Is there a basking platform that is easy to climb on? Yeah. Both turtles have regular basking behaviors.
What kind is it or what is it made out of? It's a tile (looks like this)

Is there a UVB light? Yes
What have you been trying to feed it? Reptomin
When was the last time your turtle ate? This morning
How big is the tank/pond/enclosure? Though it was 70 but it looks like it is 55 according to an older post here.
Is the tank near a window? No
Is the tank in a room with a lot of activity? Yes
Tina Turtle is much more active this morning. I looked up seasonal affective disorder and I suppose that could be it, however, Ike and Tina seem to have the same personalities year round.
Maybe she's fine but it was pretty alarming to see here lying on the bottom like that. I'll keep an eye on the situation. Thanks for the replies.
