Food Safe Knife Oil: What to Use and When
Mineral oil and camellia oil are the two traditional choices. What “food grade” rests on, why cooking oils fail, and when a knife needs oil.
Mineral oil and camellia oil are the two traditional choices. What “food grade” rests on, why cooking oils fail, and when a knife needs oil.
Gray, blue and brown on a carbon blade is patina, and it protects the steel. Orange that smears is rust. How to tell them apart before you scrub.
Four separate things damage a knife in a dishwasher, and the makers disagree. What Wusthof, Victorinox and Robert Welch each tell their own owners.
Rust starts where water sits. The moisture traps that rust kitchen knives, and what prevention really looks like for stainless and for carbon steel.
Tell surface rust from pitting and patina, take it off with the gentlest thing that works, and know the point where a rusted knife should be retired.
Which are made in Japan and which are only Japanese-style. What each maker publishes about steel, hardness and origin, dated.
A research-based framework. What each maker will actually put in writing about steel, hardness, construction and origin, and why piece counts mislead.
Hand wash, dry, hone, and read your own maker’s care page, because the makers disagree about dishwashers. Knife damage ranked by what comes back.
A ceramic blade is harder than the abrasive in an ordinary water stone, so the stone slides. Diamond is the only thing that cuts it, and the blade may snap.