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ok so i am testing my basement and little dorm fridge for humidity , i have a digital indoor /outdoor temp gauge with humidity and a spring dial gauge they are about 10% diffrent from each other is there a way to know which is the correct one?
Fill a bowl with Ice. Add some water and let sit for a while. The water temp should drop to 32°-33° Give them a dip in the water and see what happens. Or go to the bank and see what their temp is. Then compare it to your temp.