I can't use UTH because all my tanks sit on the ground. I will be getting a snake rack probably this Fall so I'll be getting a thermostat then.

For a tank that size, what wattage of bulb should I use to heat it, since its taller than my other two tanks. My other two are only a little over a foot tall, and this one is 2ft tall. The other two use a 75w infared (sp) bulb.