what kind of salt goes in a salt grinder

For a salt grinder, use dry, coarse crystals like coarse sea salt, kosher salt, or rock-style Himalayan pink salt; avoid fine table salt because it can clog the mechanism and doesn’t grind properly.

Best salt types

• Coarse sea salt labeled “coarse,” “rock,” or “for grinders” is ideal because the larger, dry crystals break cleanly and don’t cake.

• Coarse kosher salt (not the finer, “Morton-style” grain) works well in many hand grinders thanks to its flaky, chunky texture.

• Coarse Himalayan pink salt or other dry rock salts are popular for both flavor and looks, as long as the chunks are sized for your grinder.

Salts to avoid

• Fine table salt is too small and often contains anti‑caking agents that can gum up the grinder and offer no benefit from grinding.

• Very moist specialty salts (like some damp sea or finishing salts) can clump and strain the grinding mechanism over time.

• Iodized table salt, while safe, is usually sold fine and is better in a shaker than in a grinder.

Quick usage tips

• Check the grinder label: many manufacturers specify “use coarse, dry sea or rock salt only” to protect the mechanism.

• Fill the grinder only partway so salt can move freely and you can switch between salts (e.g., plain sea salt vs smoked or flavored blends) more easily.

• If crystals are so big they jam, crush them lightly with a mortar and pestle before adding to the grinder.

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Information gathered from public forums or data available on the internet and portrayed here.