What are you measuring temps with? It should be a digital thermometer with probe. What are you heating with? Is it 90 just on the basking spot or all on hot side? 70 is way too cold for cool side. The fact that he spent 4 days over there in that temp means somethings not right. Their humidity level should be higher more like 49-60%. What do you mean you can't live in an 80 degree room temp? He should be.
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