I've got a new nuc in a 10 frame deep next to a second year colony that is booming right now. When I installed the nuc in the deep I put the reducer on the smallest opening. Everyone seems to be getting along just fine over the past week. Both colonies have internal bucket feeders over the inner cover. Also I have both inner covers with the notch down providing an upper entrance. How long should I wait to open up the entrance reducer on the nuc?