Quote Originally Posted by Annarose15 View Post
Fill some 2-liter bottles with water and put them in the bottom of the incubator (caps on). They will store heat and help your incubator return to temp faster once you close the door again, since the water will lose heat slower than the air.
X2 on the water bottles.
Also how long does it take for you incubator to return to its set temps after you close it? You don't want it to drop alot when you have to open it, but it's alot more important for it to return to a stable temp as quickly as possible once you have closed it.