[GarterGuy]

If you're going to use undertank heating...there are some really good het mats on the market that don't get as hot as heat tape and won't crack tank bottoms. Two of the really good brands are Cobra Heatmats and Ultratherm Heatmats. They both only get to about 100F, so they're not too warm. I've used the Cobra mats on my PI king for over 10yrs. now and I really like it. I also like the fact that they don't have adhesive on them (they need to be secured to the tank bottom), so if you need to move them you can. I've had others that stuck to the bottom of the tank and if the tank was no good or something, I wasn't able to "reuse" the heater somewhere else. For garters though....I have to agree with Ameivaboy and say I really like using overhead lights for heat.

Roy