The current advise is very good so I won't bother repeating it again. I'll just comment on some other ideas. Things can't be too dire if the little guy is eating. Accurites are fine but basically the same as the rest I don't like them as they are large and bulky so personally I'd buy a very cheap digital thermometer forget a digital hygrometer they are woefully poor. The best hygrometers I have tested (I am up to 8 models from 6 companies now) the best so far is the western instruments analogue dial type Brass bezel, that has a calibration set screw sold for humidors. You can find them at most cigar shops, they are around 8-16$. The last item is going to sound a bit odd but a liquid crystal stick on thermometer that has a range of 70-80. Don't stick it on anything just use it to check your digital ones. They are on a whole very accurate compared to most digital ones (digitals are usually -/+2ºF LC are usually -/+ 0.5ºF)
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