What you're looking to do is create a thermal gradient in the cage. This would mean a warm area in the mid to upper 80s as well as a cool area that the snake can retreat to. There are many ways the thermal gradient can be created, though a heat lamp may cause overall heating (instead of a gradient) if the cage size is relatively small. An undertank heater placed under 1/4 to 1/3 of the enclosure would definately create a gradient, since there would be an unheated section of the cage floor.

The bedding you've mentioned is fine for corn snakes.

Corn snakes are pretty flexible with humidity, most keepers don't do anything in regards to this unless their snake has trouble shedding.

Tim

Third Eye

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