I know you put in a lot of work and hardship when they were imported to you'll, and am glad you are having some luck and results finally. Keep it up. Just don't 'crash the market' :D with too many hatchlings. :eek: Good luck.
You could use an outdoor fan blowing away from them. Let it circulate, rather than stagnate. I am pro-active rather than reactive. My family hates my thinking, as I look for any possible negative angle of any and all occurences or happenings. Even opening a door, I am observant. As a single...
If it is for you personally and something you want, go ahead. Keep maybe 5 or so of the best eggs and destroy the other eggs. 6-7 months later , you will have new baby. Finding someone who may want 3 or so crosses would be a lot easier than 25-30 crosses. Personally, I have 2 Faly x BB cross...
Younger ones can overheat easily, even at 85°f if not adjusted to the temps. Try raising your basking bulb and slowly lowering it by an inch every week or so. If you have a 75-100w bulb directly on the cage and your cham can get within 6-10" of it, then your temp is probably off.