I would sink them into the medium, at lease half way. Hollow out a space for the egg(s), rather than pushing down. Hatchrite does'nt have quite the give, that vermiculite has. Lately I've been almost completly covering the eggs I'm keeping. I use a sewing needle to poke small holes in top cover.Thanks guys! Do the eggs need to be submerged more? I'm using hatchrite and barely pushed them in. Also should I punch holes in the top of the container? Or is opening them once per week sufficient.