I am looking for advice on a home DIY mistake. We have 4 cypress posts in the front of our house, and 2 cypress posts in the back. They are new and had never been finished. I stained the back two posts using MinWax Special Walnut Stain and they came out great. When I began on the front, I started on one post and noticed it was darker than the back but it was in an area that is shady & was also still wet so I didn’t think otherwise. Confused, I picked up the can and saw it was MinWax Dark Walnut. I purchased this on a Lowe’s curbside pickup and should have double checked but rookie mistake. To be honest I looked and saw Walnut and went ahead not realizing.
How can I correct it now? Should I sand it back down first? Or should I use a paint thinner before? I’m also worried it will make this one post look slightly different from the other three once I finish them all. Please no rude comments. I am aware it was my error. I’m just trying to fix