I have to fill up my incubator tray every morning. The humidity starts at 50% then slowly lowers to 42% by bedtime and then is at 30-37% by the morning. The tray is dry in the morning. I think it might be my wood stove. We only heat with wood and our house humidity is about 30% no matter where you go in it. I might start putting water in at night, when the wood stove is at its highest temps. Anyone else have any better solutions? All vents are shut except the holes around the bottom. I have a forced air Hova-bator. It isn't a problem to lift the lid now but when in lock down I am worried about maintaining the higher humidity.