Well, without seeing the specific anomalies I can't say (guess)...but I can say they look like they're charging right along in the pic!
One question: Are those pots sealed on the bottom? As in, no run off tray? Do I remember you saying you put a layer of perlite at the bottom?
I can't remember....
Hey, that microscope is sweet! Just went on my wish list so I don't forget...