So I have 2 6x11” ultratherm uths and a Herpstat 2. One side set for hot spot, the other around 80-82F (cold side was too cold). Ambient is 79F. Warmest I can get the room with intermittent space heater and heat cranked all day. My uth temps are very uneven. Does anyone else have this problem? One pad will have a tiny spot where the temp is like 94F and the the rest of the pad is like 79-85F. I have the thermostat over the hottest part, but have my Herpstat set to like 96-97F and the temps are only reading like 84-86F in the tub with one layer of paper towels. On the plastic itself it will read like 91-92F in maybe a square inch of space. Any ideas or suggestions? This is driving me nuts. If I turn the Herpstat higher then I feel like the plastic temp is too hot and if I go down a bit to like 95-96F I’m only getting 82-85F on the paper towel. Using temp gun to measure temps. Planning to order a PVC cage with RHP this month but until then need to get these temps right. The temps were fine when I first set up the tank. Humidity is 55-65%.


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