Once the mixture is made, simply brush the solution on the wood. It won't immediately turn colors, but over a few hours you'll notice a considerable difference. Check out the photos of my farm table project to see how well it worked using fir boards. You'll notice the fir 2×2's used in this project really took the solution well. The other boards had a little coloring and grain enhancement, but white pine doesn't have many tannins in it so it is less reactive.
The final building step is to lay each plank in place. These will be cut to 20” long each. Attach each piece using wood glue and brad nails. Just make sure the length the nails isn’t longer than the width of the planks and plywood combined. Once you have finished that, you can paint or stain and add your hardware! Because I was using pre-finished white barn wood from Porter Barn Wood, I painted the table before adding the planks. Check out these planks….