Hi Dave, welcome to the forum.

Your set-up looks nice. See how your baby does. The tank is pretty big. If he is eating well and pooping, then he should be fine. If he will not eat or is too stressed to unburrow, then he should be in a smaller tank. This is a common occurrence with babies. See how he does. How big is your baby PAC now? If he eats well and has his required supplements, he or she will grow fast over the next 3 to 4 months. Your co-members here are giving you good advice and trying to help you avoid any dufficulties .