The 2026 Cast Iron Restoration Guide: Step-by-Step Salt Scrubbing Methods
Q1: Can I use regular fine table salt if I run out of kosher salt?
A1: Table salt is far less effective for abrasive scouring. Its tiny cube crystals dissolve instantly when exposed to trace liquids and lack the sharp, broad facets required to lift burnt carbon. In an emergency, coarse sea salt works, but coarse kosher salt remains the standard for safe abrasive cleaning.
Q2: Will scrubbing with salt strip my pan's seasoning?
A2: No, provided the seasoning is fully polymerized. True seasoning is a hard, chemically bonded matrix, not simply dried oil. The physical hardness of coarse salt is lower than cured oil polymer, meaning it abrades food residue without scratching off seasoned iron underneath.
Q3: Should I use soap alongside the salt scrub?
A3: Modern dish soaps free of harsh lye do not damage cast iron seasoning, but soap is generally unnecessary during a salt scrub. Adding soap creates a lather that dissolves the salt crystals too quickly, diminishing the abrasive texture you need to dislodge burnt food residue.