Walk into any knife shop and the whetstone wall looks like a code you're supposed to already know. 220, 400, 1000, 3000, 6000, 8000, 12000. Combination stones, soaking stones, splash-and-go stones, ceramic, natural. It's easy to leave with three stones you'll never use and still not have a sharp knife. The good news is that a home cook needs much less than the wall suggests. … [Read more...] about Whetstone Grits Explained and the Two Stones a Home Cook Actually Needs