Heating cables

[kimberlyad]

Does anyone have suggestions where I can find a 2 watt heating cable to use with my AC test tube rack? I am in the US and cannot find a heating cable anywhere with a low enough wattage to use on my queens/eggs. Wondering if there is such a thing in the US.

[imnoob]

look it up they show that lows should have them. i found 1 with 5 watts 4 $36 bucks