I have hatched Many of eggs in a still air incubator----usually 70 to 80%, has been lower and higher. I did this NEVER using a hydrometer/humidity meter---did not own one for years. I just filled the smaller water reservior for the first 18 days, then both of the reserviors the last 3 days adding a small wet sponge if I felt it was needed. With the still air I keep the temp around 101. I think the biggest thing that helps me have a good hatch is when I close the incubator on day 18---after I candle the eggs, remove the turner and fill both reservoirs is--I DO NOT open the incubator again for NOTHING till all the eggs hatch or day 22---which ever comes first! If I need to add water I do it with a flex straw through a vent hole. If a Chick looks like it needs Help----If it will hang in there till all hatch or day 22---I will help it---Nothing can make me open it before. I do the same in my Big Hatcher and I usually hatch close 100%.No sorry!I've got 3 Little Giants & one from FarmInnovators, I don't know what it's called. Two of the Little Giants don't have fans and were gifts from the folks I'm hatching them for. I'm ordering a fan for 1 tomorrow so I'll have that installed in 2-3 days but I may not get the last one for another week and a couple days. I set eggs from 11.25, 11.26, 11.29, 11.30 each date in a separate unit. I put 11.25 & 11.26 in the 2 w/o fans and each date is a mix of breeds. Thanks so much for your help, I really appreciate it!
You can put the eggs into another incubator while you add the fan kit---should work fine. I have added fans to my styrofoam incubators too but I always used a small fan I had laying around and a lower voltage power pack(looks like a cell phone charger)--But I have alot of "stuff" laying around! If you have questions, just ask--BUT ask before you do it is best---plenty of people here to help you. Good Luck!!
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