Answer
For end grain before stain, use 180 and 220. Add a light 320 pass when end grain absorbs too dark.
Why it happens
End grain absorbs more finish, and sanding strategy can affect how dark it becomes.
Recommended grit
Use 180 and 220 on end grain; a light 320 pass can reduce over-absorption.
Wet or dry
Dry.
Success check
The end grain is smooth and absorbs stain more evenly.
What to do
- Sand the surrounding wood normally.
- Sand end grain with 180 and 220.
- Use a light 320 pass on end grain if it absorbs too dark.
- Remove dust before stain.
Avoid: Do not leave rough end grain before staining.