Removing stains from a wooden cutting board

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Washing in hot water immediately after use
2. 2
   Scrubbing with salt and half a lemon
3. 3
   Spraying with hydrogen peroxide
4. 4
   Treating with food-grade mineral oil, olive oil, or avocado oil
5. 5
   Applying vinegar and baking soda or citric acid
6. 6
   Sanding and refinishing the counter
7. 7
   Cleaning with sodium percarbonate
8. 8
   Using specific commercial wood cleaners
9. 9
   Leaving the area to dry

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.