Troubleshooting uneven seed distribution

[Shedmechanic]

Last season, I noticed that the seed spacing on my Case IH planter was a bit off, which ended up affecting germination in certain areas. What are your best tips for figuring out and fixing uneven seed distribution?

 

[IHPower]

I tweaked the vacuum settings and took a look at the seed disk for any wear and tear. Plus, I switched over to precision meters, and I gotta say, our spacing was way better the next growing season