I have three heat mats, the cheap ones with green writing and black plastic. I purchased a thermostat for each. I was desperate for more capacity. I was going to upgrade to the pro cables as mentioned above. I'm glad I didn't.
The low end mats really don't have good temp control imho. They are very sensitive to ambient room temp. This year I didn't bother to plug them in. I have been placing a tray on top of a dvd/vcr , and another on the carpeted floor next to a heat vent (not directly on top so they don't dry out). That alone would get me nowhere. To capture the heat. I have three towels and a folded blanket draped over each tray/lid combo. Seems to be working. My jalapenos popped today.
- Lisa
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