10 Types of Gourmet Cooking Salts to Know

Written By Santa Prisca & Co Staff Last updated on

Every ingredient tells a story of where it came from, and salt is no exception. It carries the memory of its home—the ancient sea beds, the sun-drenched lagoons, the volcanic earth it filtered through. This is the quiet magic of using an unrefined, artisanal salt. It’s a tangible connection to a specific place and a tradition of harvesting that has been passed down through generations. The difference between a salt from the mountains of the Himalayas and one from the coasts of Mexico is a story you can taste. This guide explores the most essential types of gourmet cooking salts, each with a unique character shaped by its origin, inviting you to bring these stories to your own table.

Key Takeaways

  • Embrace the Process for Purer Flavor: Unlike heavily processed table salt, unrefined gourmet salts are hand-harvested, preserving their natural trace minerals. This intentional method results in a richer, more complex flavor and a cleaner ingredient for your kitchen.
  • Layer Salt Intentionally for Depth and Texture: Use coarser, mineral-rich salts during cooking to build a foundational flavor that seasons food from the inside out. Reserve delicate, flaky salts for finishing to add a final burst of bright salinity and a satisfying crunch right before serving.
  • Consider Texture as Much as Taste: The shape and size of a salt crystal dramatically change the sensory experience of a dish. Match fine salts with sauces for seamless blending, and use larger flakes to create a delightful, crunchy contrast on everything from roasted vegetables to chocolate desserts.

Gourmet Salt vs. Table Salt: What's the Difference?

Think about the simple, everyday motion of reaching for salt in your kitchen. The salt you choose can completely change your meal, yet most of us grew up with just one kind: the fine, white, uniformly flowing table salt. But there’s a whole world of salt out there, one that tells a story of place, tradition, and nature. The difference between a gourmet finishing salt and standard table salt isn't just about taste—it’s about the journey from the earth to your plate. It’s about texture, mineral content, and the intention behind how it’s made.

How It's Harvested and Why It Matters

Table salt is a product of industry. It’s often mined, then heavily processed at high temperatures, stripped of its natural minerals, and treated with anti-caking agents to prevent clumping. Gourmet salts, on the other hand, are a product of nature and human hands. Artisans often collect these salts by hand from pristine salt flats or ancient sea beds. This gentle, traditional method preserves the salt’s delicate crystal structure and, most importantly, its rich mineral profile. It’s a slower, more intentional process that honors the ingredient, ensuring what ends up in your kitchen is pure, unrefined, and free from additives.

The Signature Crunch: Texture and Crystal Shape

The texture of salt is where the magic really happens. Run-of-the-mill table salt has tiny, identical grains that dissolve instantly, delivering a sharp, one-note saltiness. Gourmet salts offer a symphony of textures. The shape and size of each crystal influence how it feels in your mouth and interacts with your food. Delicate, paper-thin flakes melt on your tongue, while larger, sun-dried crystals provide a satisfying, lingering crunch. This textural contrast adds a new dimension to everything from a simple slice of tomato to a perfectly seared steak, making each bite more interesting and dynamic.

A Deeper, More Complex Flavor

When table salt is refined, it loses the very minerals that give it character. What’s left is almost pure sodium chloride, which is why it tastes so aggressively salty. Gourmet salts retain a beautiful spectrum of trace minerals from their source, like magnesium, potassium, and calcium. These elements contribute to a richer, more nuanced flavor. Exploring different gourmet salts is like learning to add a full, resonant chord to your cooking—it doesn’t just season your food, it enhances the inherent flavors of your ingredients, adding a gentle, mineral depth.

A Guide to Ocean-Harvested Sea Salts

There’s something deeply grounding about using salt harvested from the sea. It connects our kitchens to the vast, ancient rhythm of the tides. Unlike mined salts, which are pulled from deep within the earth, ocean-harvested salts are born from a dance between sun, wind, and water. The process is beautifully simple and has remained unchanged for centuries. Seawater is guided into shallow ponds or pans, where the sun and wind work their magic, slowly evaporating the water and leaving behind pure salt crystals. This gentle, natural method ensures the salt retains its trace minerals, which contribute to both its flavor and its wellness benefits.

The character of each sea salt tells the story of its home. The mineral composition of the water, the type of clay lining the salt pans, and the specific harvesting techniques all shape its final color, texture, and flavor. Some salts are raked gently from the surface, yielding delicate, paper-thin flakes. Others are allowed to crystallize fully, creating a satisfying, coarse crunch. Exploring these different kinds of salts is like taking a sensory journey around the world, from the coasts of France to the volcanic shores of Mexico. Each crystal carries a memory of its origin, a whisper of the ocean it came from, ready to be shared at your table. It’s an invitation to cook with more intention, appreciating the journey from sea to shaker.

Colima Sea Salt

Our story begins with Colima Sea Salt, a true gift from the earth. Harvested by hand from the Cuyutlán Lagoon in Mexico, this salt has a unique journey. The saltwater is naturally filtered through ancient volcanic earth, which enriches it with a wealth of minerals. This process gives the salt its brilliant white color, clean flavor, and a texture that is both delicate and crisp. Using it not only brightens your meals but also supports the small salt-farming communities that have been stewards of this tradition for generations. It’s a salt with soul, perfect for finishing any dish that calls for a burst of mineral depth.

Fleur de Sel

Often called the “flower of salt,” Fleur de Sel is one of the most delicate and prized sea salts. It forms as a thin, fragile crust on the surface of the seawater as it evaporates. Artisans carefully rake these light, moist crystals by hand before they can sink to the bottom of the salt pan. This meticulous process is why it’s considered a true delicacy. Its fine, flaky texture dissolves instantly on the tongue, delivering a gentle salinity. Use it as a finishing salt to add a touch of elegance to salads, grilled fish, or even a simple slice of ripe tomato.

Maldon Sea Salt

Known for its distinctive pyramid-shaped flakes, Maldon Sea Salt offers a texture unlike any other. These large, hollow crystals are incredibly light and provide a satisfyingly crisp crunch. Harvested from the coastal town of Maldon in Essex, England, this salt has a clean, fresh flavor that enhances food without overpowering it. Its unique structure makes it wonderfully versatile. Crumble the flakes over a finished steak, sprinkle them on roasted vegetables, or add a surprising textural contrast to chocolate brownies and caramel sauces. It’s a pantry staple for a reason.

Celtic Grey Salt

Celtic Grey Salt, or Sel Gris, gets its beautiful pale grey hue and moist texture from the clay that lines the salt ponds in Brittany, France. It’s harvested using traditional Celtic methods that are centuries old. Because it’s unrefined, it retains a high moisture content and is packed with minerals from the sea and the clay. This gives it a complex, briny flavor that is less sharp than other salts. Its dense crystals are wonderful for heartier dishes like stews and roasts, as they dissolve slowly and season food from the inside out.

Exploring Rock and Mineral Salts

While sea salts are harvested from living oceans, rock and mineral salts tell a story of ancient waters. These salts are mined from underground deposits left behind by seas that dried up millions of years ago. Trapped deep within the earth, they are often protected from modern pollutants, offering a pure taste of the past.

Their dense, crystalline structures and unique colors—from soft pink to volcanic black—come from the rich variety of trace minerals they absorbed over millennia. This mineral content gives each salt a distinct flavor profile, making them fascinating additions to any cook’s pantry. Think of them as culinary time capsules, each flake carrying the essence of a long-gone sea. Exploring these salts is a beautiful way to connect with the earth’s history, right in your own kitchen.

Himalayan Pink Salt

You’ve likely seen its beautiful, rose-colored crystals. Himalayan Pink Salt is harvested from ancient sea beds deep within the Himalayan mountains. Its signature hue comes from a rich blend of over 80 trace minerals, including iron, which gives it a subtly sweet and gentle flavor.

Because of its striking appearance and often higher price point, this salt truly shines as a finishing touch. A sprinkle over a dark chocolate dessert or a simple avocado toast adds a delicate crunch and a visual flourish. While it’s a lovely salt to have on hand for presentation, its mildness makes it less of a workhorse for seasoning during the cooking process. Many gourmet salts explained this way are best used to complete a dish, not build its foundation.

Real Salt from Utah

Sourced from an ancient, underground sea bed in Utah, Real Salt is an unrefined mineral salt with a speckled, off-white appearance. Its unique color comes from the more than 60 trace minerals that remain in the salt, just as nature intended. This salt is never bleached, refined, or processed, which allows it to retain a full, slightly sweet flavor.

For those who prioritize clean, whole ingredients, this salt is a wonderful choice. The benefits of using an unrefined sea salt are clear in its complex taste and mineral-rich profile. It’s a versatile, all-purpose salt that works well for both cooking and finishing, adding a balanced salinity to any dish it touches.

Kala Namak (Black Salt)

Kala Namak, also known as Himalayan Black Salt, is a volcanic rock salt with a truly distinctive character. Its deep, purplish-black color is striking, but its aroma and flavor are what make it unforgettable. With a high sulfur content, it has a pungent, savory flavor reminiscent of hard-boiled eggs.

This unique quality makes it a staple in South Asian cuisines, where it adds depth to chaats, chutneys, and raitas. For plant-based cooks, it’s a secret weapon for creating an umami-rich, egg-like flavor in dishes like tofu scrambles. While its assertive profile isn’t for every dish, it’s one of the most fascinating different types of salts for an adventurous home cook to explore.

Beyond the Basics: Hawaiian and Other Unique Salts

Once you’ve grounded your pantry with foundational sea salts, a whole world of unique, story-rich salts opens up. These are the salts that add a layer of artistry and surprise to your cooking, connecting your food to specific landscapes and traditions. From the volcanic earth of Hawaii to the aromatic smoke of burning applewood, these salts invite you to play with color, texture, and aroma in a completely new way. They are less about everyday seasoning and more about creating a specific moment or feeling on the plate. Exploring these salts is a beautiful way to expand your culinary palate and bring a touch of the unexpected to even the simplest dishes.

Red Alaea Salt

This stunning salt gets its earthy, terracotta hue from a sacred Hawaiian volcanic clay called Alaea. Traditionally used in purification ceremonies, the clay imparts a subtle, mellow sweetness to the salt crystals. The flavor is gentle and the crunch is delicate, making it a beautiful finishing salt for roasted pork or traditional Hawaiian dishes like kalua pig and poke. Using Red Alaea salt feels like adding a pinch of history to your food, connecting your meal to the rich, volcanic soil of the islands. It’s a testament to how local geology can shape the character of an ingredient.

Black Hawaiian Salt (Hiwa Kai)

With its dramatic, jet-black crystals, Black Hawaiian salt, or Hiwa Kai, is a true showstopper. Its striking color comes from activated charcoal, which is infused into the salt crystals during their formation. This not only creates a stunning visual contrast on lighter foods but is also thought to offer gentle digestive support. The flavor is clean with a hint of smokiness, and its bold appearance makes it a favorite among chefs for finishing seafood, salads, and even fruit dishes. A sprinkle of this gourmet salt is an invitation to eat with your eyes first.

Flavored and Smoked Salts

Flavored and smoked salts are where the worlds of seasoning and alchemy meet. These are salts that have been carefully infused with other ingredients to create something entirely new. Smoked salts, like those slowly exposed to the smoke of applewood or hickory, lend a deep, savory aroma perfect for grilled meats and vegetables. Flavored salts can be blended with anything from truffles and herbs to citrus zest and chili. They are an incredible tool for adding a complex layer of flavor with a single pinch, transforming a simple dish into a memorable one.

How to Choose the Right Gourmet Salt for Your Dish

Choosing the right salt is an intuitive art, a quiet moment of connection between you and your ingredients. It’s not about following rigid rules, but about understanding how different salts can draw out, complement, and transform flavors. Think of it as choosing a partner for your dish—one that will help it shine its brightest. By paying attention to when you salt, what you’re salting, and the texture you desire, you can turn a simple meal into a truly memorable one.

For Cooking vs. For Finishing

The timing of your salting can completely change a dish. There are two key moments to consider: during the cooking process and just before serving.

Use coarser, mineral-rich salts while cooking to build a deep, foundational flavor. As these sturdy crystals dissolve with heat and moisture, they season food from the inside out, creating a more integrated taste. For finishing, save the delicate, flaky salts. A final sprinkle just before the plate reaches the table adds a bright burst of salinity and a delightful crunch, awakening the palate with a beautiful, crystalline sparkle.

How to Pair Salts with Food

Just as you’d pair wine with a meal, you can pair salt with specific ingredients to create harmony. The goal is to enhance, not overpower.

Match delicate, flaky salts with foods that have a subtle character, like fresh salads, steamed vegetables, and even baked goods—a gentle flake on a chocolate chip cookie is a revelation. For more robust dishes, reach for stronger, coarser salts. Their bold flavor can stand up to grilled meats and hearty stews, adding a satisfying mineral depth. You can explore our collection to find the perfect salt for whatever you’re creating.

Matching Texture to Your Cooking Style

The sensory experience of salt is about more than just taste; it’s also about texture. The shape and size of salt crystals change how they feel in your mouth and interact with food.

Fine salts dissolve almost instantly, ideal for vinaigrettes and sauces where you want the flavor to meld seamlessly. Larger crystals and flakes offer a distinct, satisfying crunch. Thin flakes melt quickly on the tongue, while bigger crystals provide a lingering pop of flavor. Our hand-harvested Colima Sea Salt has a moist, irregular crystal that offers a gentle crunch, making it a wonderfully versatile choice for nearly any application.

Professional infographic showing gourmet salt selection guide with four main sections: crystal structure matching showing different salt textures and their applications, cooking method pairing strategy with timing recommendations, mineral profile benefits of unrefined salts, and flavor layering techniques. Each section includes specific examples like Fleur de Sel, Maldon, and Colima Sea Salt with detailed application instructions for optimal culinary results.

Common Myths About Gourmet Salts

As beautiful, unrefined salts find their way into more home kitchens, a few questions and misconceptions tend to follow. It’s easy to get swept up in the wellness chatter, so let’s take a moment to ground ourselves in what truly makes these salts special. We can clear the air on a few common myths and focus on the simple, honest benefits of cooking with intention.

The Truth About Sodium Content

One of the most common questions I hear is whether gourmet salt is a "low-sodium" alternative to table salt. The simple answer is no. By weight, sodium chloride levels are quite similar across the board. The real difference lies not in what’s taken out, but in what’s left in.

Because unrefined salts like our Colima Sea Salt have such a rich, complex flavor from their natural mineral content, you’ll find you don’t need to use as much. A small pinch delivers a burst of mineral depth that simple table salt can’t replicate. It’s about savoring a more potent flavor, which naturally encourages a lighter hand.

Understanding the Health Benefits

If the sodium content is similar, where do the wellness benefits come from? It all comes back to the minerals. The harsh refining process that produces standard table salt strips away everything but the sodium chloride. Unrefined sea salts, on the other hand, retain a beautiful spectrum of trace minerals like magnesium, potassium, and calcium.

These are the elements that give each salt its unique color, texture, and subtle flavor notes. Think of it as choosing a whole food over a processed one. You’re getting the ingredient in its complete, natural state, just as the earth created it. These minerals are what make each of our unrefined salts a true reflection of their origin.

Does It Always Taste Better?

Taste is deeply personal, but the right gourmet salt can absolutely transform a dish from ordinary to memorable. It’s less about one salt being universally "better" and more about finding the right salt for the right moment. A delicate fleur de sel wouldn’t be right for a hearty stew, just as a coarse, crunchy salt might overwhelm a light salad.

Think of salt as a key ingredient, not just an afterthought. The texture is just as important as the flavor. A crisp flake that lingers on the tongue can add a final, delightful crunch to roasted vegetables or a chocolate chip cookie. The goal is to match the salt’s personality to your food, creating a pairing that makes every element on the plate sing.

The Wellness Benefits of Unrefined Salt

When we talk about salt, it’s easy to focus only on flavor. But what if the right salt could also be a quiet partner in your wellness journey? Unrefined sea salt, harvested with intention, carries the story of its origin—and with it, a wealth of benefits that processed table salt leaves behind. It’s about returning to the source and embracing food that truly nourishes from the ground up. Choosing a salt that is pure and mineral-rich is a simple act of care for yourself and your cooking.

Rich in Essential Minerals

Unlike stripped-down table salt, unrefined sea salts hold a spectrum of trace minerals. Our Colima Sea Salt, for example, is naturally filtered through volcanic earth, a slow process that infuses each crystal with elements like magnesium, potassium, and calcium. This isn't just about nutrition; it's about flavor with dimension. You can taste the mineral complexity—a subtle depth that speaks to its pure, untouched origins. This is what it means to season with intention, choosing an ingredient that gives back to your body.

Supports Natural Electrolyte Balance

Feeling energized and balanced starts on a cellular level. Electrolytes are the essential minerals that help our bodies do everything from staying hydrated to contracting muscles. Because unrefined salt retains its natural mineral profile, it can gently help support your body's electrolyte balance. A pinch in your water after a workout or sprinkled over a meal does more than just delight the palate; it’s a small ritual that helps replenish what your body uses throughout the day, keeping you grounded and centered.

Aids Hydration and Digestion

Proper hydration is about more than just drinking water—it’s about helping your body absorb it. The minerals in unrefined sea salt play a key role in this process, helping your cells draw in the water they need. This same mineral wealth can also support healthy digestion by stimulating stomach acid. When you choose hand-harvested salt, you’re not only adding a beautiful finishing touch to your meal but also selecting an ingredient that works in harmony with your body’s natural rhythms. It’s a simple way to honor your well-being with every bite.

The Best Salts for Different Cooking Methods

Choosing the right salt is like choosing the right knife for a task—each has a purpose that can transform your cooking from good to truly memorable. It’s a small shift in thinking that brings so much intention to the kitchen. The texture, shape, and mineral composition of a salt crystal determine how it interacts with food. A coarse, crunchy salt that stands up to the high heat of a grill might overwhelm a delicate baked good, while a fine, quick-dissolving salt might get lost in a hearty roast.

Thinking about your cooking method is the key. Are you searing, simmering, baking, or finishing? High-heat methods like grilling and roasting call for salts with a robust structure and bold flavor that won’t burn or disappear. For baking and desserts, a delicate, flaky salt can add a surprising crunch and a counterpoint to sweetness that awakens the palate. And when it comes to preserving foods through curing or pickling, the purity of the salt is paramount, as common additives like anti-caking agents can cloud your brine and affect the final result.

Learning to pair salts with your cooking style is a simple ritual that brings intention and depth to every dish you create. It’s about more than just seasoning; it’s about texture, visual appeal, and drawing out the truest flavor of your ingredients. When you start to see salt as a distinct ingredient rather than a generic commodity, you begin to cook with a deeper sense of connection. It’s a beautiful way to honor the food, the process, and the people you’re sharing it with.

For Grilling and Roasting

When cooking with fire or high heat, you need a salt that can hold its own. The intense flavors of grilling and roasting are beautifully complemented by salts with a coarse texture and a complex, mineral-rich profile. Our hand-harvested Colima Sea Salt is perfect here; its crunchy crystals adhere well to meats and vegetables, creating a savory crust that seals in moisture. For a touch of smokiness, try a smoked sea salt, which imparts a deep, wood-fired aroma, especially wonderful on pork or chicken. Black Hawaiian salt, with its striking color from activated charcoal, adds a dramatic finish and a subtle smoky note to grilled fish or even pineapple.

For Baking and Desserts

Salt in desserts is a magical thing. It doesn’t just balance sweetness; it deepens and intensifies flavors, making chocolate more chocolatey and caramel more complex. For this, you want a salt with a delicate, flaky texture that provides a gentle crunch without being overpowering. Flaky sea salts like Maldon or Fleur de Sel are ideal. Their paper-thin crystals dissolve beautifully on the tongue, leaving a clean, bright salinity. Sprinkle them over warm chocolate chip cookies right out of the oven, finish a batch of salted caramel, or even add a pinch to a fresh fruit salad. It’s a simple touch that creates a truly sophisticated dessert experience.

For Curing and Preserving

The ancient art of preserving food with salt requires a specific kind of purity. When curing meats or pickling vegetables, it’s essential to use a salt free from additives like iodine or anti-caking agents, which can discolor your food and create a cloudy brine. Pickling salt is milled specifically for this purpose, dissolving clearly and cleanly. For a more traditional approach, a mineral-rich, unrefined sea salt like Celtic grey salt can be used. Its higher moisture content and trace minerals contribute a nuanced flavor to cured meats and fermented foods, connecting your modern kitchen to time-honored preservation techniques. This is where the quality of your salt truly matters.

How to Store Your Gourmet Salts

You’ve brought a beautiful, mineral-rich salt into your kitchen. To honor its journey from the earth to your table, storing it properly is key to preserving the very qualities that make it so special.

Preserving Flavor and Texture

The secret to keeping your salt perfect is simple: a cool, dry place and an airtight container. This protects the delicate crystals from humidity, which can cause them to stick together and lose their signature crunch. A small glass jar with a tight-fitting lid or a traditional salt cellar works beautifully.

If you notice some clumping, don’t worry. It’s a natural sign that your Colima Sea Salt is unrefined and free from the anti-caking chemicals found in common table salt. A gentle shake or a tap with a spoon is all it takes to loosen the crystals again.

How Long Do They Last?

One of the beautiful things about pure, unrefined salt is its incredible longevity. When stored correctly, away from moisture and open air, gourmet salts don’t spoil and can last indefinitely. They are a truly timeless pantry staple.

However, the unique texture and subtle flavor notes can soften over time if the salt isn't sealed properly. This is why that airtight container is so important—it’s your way of preserving the salt’s character for years to come. With a little care, your salt will always be ready to add a burst of mineral depth to your meals.

How to Build Your Gourmet Salt Collection

Building a collection of gourmet salts is a beautiful way to connect more deeply with your cooking. It’s not about having dozens of jars, but about choosing a few that bring intention, texture, and a story to your kitchen. Think of it as curating a small palette of flavors that can transform a simple meal into something truly special. Each crystal holds the essence of its origin, from the sun-drenched lagoons of Colima to ancient mountain deposits.

The journey begins with a single, exceptional salt and expands from there, following your curiosity and your palate. It’s a practice of noticing, tasting, and discovering what brings you joy at the table.

Where to Start: Essentials for Your Pantry

Before you explore the wide world of salts, begin with one that can do it all. A versatile, high-quality sea salt is the foundation of any collection. Look for one that is unrefined and hand-harvested, as its pure, mineral-rich flavor will enhance everything it touches without overpowering it.

Gourmet salts are special because of where they come from and their unique crystal shapes. These qualities give them complex flavors and textures that regular table salt lacks. A foundational salt like our Colima Sea Salt is perfect for this. Its crisp, delicate flakes dissolve beautifully in cooking and add a satisfying crunch as a finishing touch.

Next Steps: Salts for the Curious Cook

Once you have your essential salt, you can begin to play with texture and purpose. As you explore different salts, a simple way to expand is to think in terms of “cooking salts” and “finishing salts.” Use coarser, mineral-rich salts during the cooking process to build deep, foundational flavor in soups, roasts, and sauces.

Save the more delicate, flaky salts for sprinkling over a dish just before serving. This is where you can truly appreciate the salt as an ingredient. A final pinch on a fresh salad, a perfectly cooked egg, or even a chocolate dessert adds a bright burst of salinity and a delightful crunch. This simple act invites you to slow down and savor the final moments of preparing a meal.

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Frequently Asked Questions

If I can only buy one gourmet salt to start, which one should it be? I always recommend starting with a versatile, hand-harvested sea salt. Look for one with a medium-coarse, irregular crystal structure, like our Colima Sea Salt. This kind of salt is a true kitchen workhorse because its texture is robust enough to use during cooking but also provides a beautiful, crunchy finish when sprinkled on a dish just before serving. It’s the perfect foundation for building your collection.

Is gourmet salt actually lower in sodium than regular table salt? This is a common point of confusion. By weight, most salts have a similar amount of sodium chloride. The real difference is in the flavor and texture. Because unrefined salts have such a complex, mineral-rich taste, you’ll find you need less to make an impact. A small pinch delivers a full, nuanced flavor that sharp, one-note table salt can’t match, so you naturally tend to use it more sparingly.

My unrefined sea salt is clumping in its container. Is it still okay to use? Yes, absolutely! In fact, a little clumping is a good sign. It means your salt is pure and free from the anti-caking agents and chemicals that are added to commercial table salt to make it flow freely. A gentle tap with a spoon or a quick shake of the jar is all you need to loosen the crystals.

What's the main difference between a finishing salt and a cooking salt? Think of it in terms of timing and texture. Cooking salts are generally coarser and are added during the cooking process to season a dish from the inside out. Finishing salts are more delicate and flaky, and they're sprinkled on just before serving. Their purpose is to add a final burst of bright salinity and a delightful textural crunch that awakens the palate.

Can I use any gourmet salt in a salt grinder? Not all gourmet salts are suited for a grinder. Many unrefined sea salts, like Celtic Grey Salt or our Colima Sea Salt, retain a natural moisture content that can clog the grinding mechanism. Grinders work best with very dry, hard rock salts. For moist or flaky sea salts, it’s best to keep them in a small dish or salt cellar and simply pinch or crumble them over your food with your fingers.