How long can aquatic turtles survive without UVB or UVA?

The winters almost here and my outdoor turtles wont have UVB. I got a YBS about 6-11 months and 5 year old RES. How long can they survive without UVB im bringing them inside but I got no UVB lamp but Im feeding them Zoo med natural aquatic turtle food containing D3 so will they get MBD? read more

heater: the water temperature needs to be close to 80 degrees (F) for hatchlings. basking dock: turtles need to be able to get completely in and out of their water as they please. UVB lighting: this should be placed above the basking dock (turtles WILL get sick without this) Full aquatic turtle care guide by u/kingrattus. The specific care of different turtles varies. read more