Just 11 days to go before hatch day! Yesterday I had to adjust my temperature by just over 1 F as the eggs are already emitting their own heat. I used to add water to the humidity trays every 3 days but now suddenly I have to add more water every 1 1/2 days. I'm watching my 10 eggs closely.
I will be doing a staggered hatch (adding 30 plus eggs for easter hatch-a-long later in the week) and have to figure out how to turn a styrofoam cooler into a hatch chamber. Has anyone else done this? If so how did you maintain appropriate humidity? Duck eggs need 65% humidity for hatching. I will be using a heat lamp for the heat source and will have everything up and running a few days before moving eggs there at lockdown. I do have 2 styrofoam coolers, 1 much larger than the other. How the heck do you maintain humidity while letting the heat lamp do its job? My ideas so far are:
Cut grooves into bottom of cooler to hold water, put eggs in, cover top of cooler with saran wrap, and put heat lamp at the right distance to get appropriate hatching temperature. This is my first hatch in many, many years and I really want it to go well.