I'm with Bill on the No Fertilizing part. The water will be fine without it. Stock FHM asap, unfortunately you live in the republic of Michigan where you have to get the State's approval to stock any fish in your pond. You own it, they control it. The only way you can get around needing the state approval is if you do not have any inflow or outflow pipes in your pond, even if they outflow onto a grassy pasture. See my post in your aeration thread about diffuser/air station placement for the winter.
I don't think Michigan is as harsh on private pond owners as you say:
https://www.michigan.gov/dnr/managing-resources/fisheries/stockingStocking Private Ponds and Public Water Bodies
Are you looking to add fish to your private pond? If the water body you are stocking is not permanently connected to any other water body and does not have public access, you do not need a Public Waters Stocking Permit.My pond is a hole in the ground. No inlets, outlets, pipes. I am fine.
The only thing to watch out for is that Asian carp are prohibited. This includes Grass carp.
