Keeping Humidity Levels Up in a Snake Room

[Tosha_Mc]

I keep Kojack's water bowl in his cage almost directly under the heating lamp and have the top covered with tin foil.

You don't want to do that -- first off the evaporation from the water bowl directly into the heat lamp can short out the lamp and cause an electrical fire. Second - warming the water invites harmful bacteria into your snakes environment/drinking water. Get rid of the heat lamp and use a UTH with a covered top and you'll retain your heat and moisture.