Can the temp of a Russian tort enclosure drop to about 62 degrees at night? Or should I use a heat pad? If I do use a heat pad can that be the only heat source or should I use a basking lamp?
62f, or even a little lower, is fine at night,even preferred. No heat pad needed.
Basking light (UVB/heat) should come on around 6am (earlier if he gets up earlier) and stay on 12-14 hours. Timers are great.