I have my sneaky little albino king in a tub until he is a decent size, when he will be moved to a tank. I have a lamp over the tub (40 watt) and that is giving me about 80 degrees under the lamp, mid 70s on the other side. I can put a small UTH under the tub, but I would rather not since I hate rheostats, and I don't have a second thermostat.

My question is - should I put holes in the LID under the lamp, or will that compromise the strength of the lid? The whole tub has about 100 holes to keep the humidity down, so ventilation is not a problem.