Epsom Salt vs Hawaiian Black Lava Salt: Which Salt Is Better?
Choosing between Epsom Salt and Hawaiian Black Lava Salt depends on your cooking style, flavor preferences, and intended use. This comparison breaks down every difference so you can make an informed decision. We analyze origin, mineral content, taste profile, grain options, price, and best applications for each salt.
Side-by-Side Comparison
| Feature | Epsom Salt | Hawaiian Black Lava Salt |
|---|---|---|
| Origin | Originally from Epsom, Surrey, England; now manufactured worldwide | Hawaii, United States |
| Color | White, translucent crystals | Deep matte black |
| Type | Magnesium sulfate heptahydrate (not sodium chloride) | Sea salt blended with activated volcanic charcoal |
| Harvest Method | Synthesized from magnesium, sulfur, and oxygen or mined from natural deposits | Hawaiian sea salt combined with food-grade activated charcoal from volcanic coconut shells |
| Taste | Extremely bitter. Not used as a food seasoning. | Clean sea salt flavor with subtle earthy mineral undertones from the charcoal. Less sharp than pure sea salt. |
| Grain Sizes | Fine, Medium crystals, Coarse crystals | Coarse, Medium flakes |
| Price Range | $1-5 per pound | $8-20 per pound |
| Best For | Bath soaks for muscle relief, Garden fertilizer, Foot soaks, Beauty treatments, Constipation relief (medical grade only) | Dramatic food presentation, Sushi, Eggs, Grilled fish, Cheese plates |
| Trace Minerals | 3+ | 25+ |
| Sodium (g/100g) | N/A | 37.5 |
Key Differences
Origin & Harvesting
Epsom Salt comes from Originally from Epsom, Surrey, England; now manufactured worldwide and is synthesized from magnesium, sulfur, and oxygen or mined from natural deposits. Hawaiian Black Lava Salt originates from Hawaii, United States and is hawaiian sea salt combined with food-grade activated charcoal from volcanic coconut shells.
Taste Profile
Epsom Salt: Extremely bitter. Not used as a food seasoning. Hawaiian Black Lava Salt: Clean sea salt flavor with subtle earthy mineral undertones from the charcoal. Less sharp than pure sea salt.
Price Comparison
Epsom Salt typically costs $1-5 per pound, while Hawaiian Black Lava Salt ranges $8-20 per pound.
About Epsom Salt
In 1618, a farmer in Epsom, England discovered that his cows refused to drink from a certain mineral spring. The bitter water was found to have healing properties and Epsom became a spa town. The mineral was identified as magnesium sulfate and named after the town.
Best for: Bath soaks for muscle relief, Garden fertilizer, Foot soaks, Beauty treatments, Constipation relief (medical grade only).
Read full Epsom Salt guide →About Hawaiian Black Lava Salt
Hawaiian black lava salt draws on the tradition of incorporating volcanic elements into Hawaiian salt, which dates back centuries with alaea red clay. Modern black lava salt uses activated charcoal from coconut shells processed using volcanic heat sources on Hawaii's Big Island. The product was developed in the late 20th century as demand grew for visually distinctive finishing salts. The charcoal activation process creates an extremely porous carbon structure with high adsorptive capacity.
Best for: Dramatic food presentation, Sushi, Eggs, Grilled fish, Cheese plates.
Read full Hawaiian Black Lava Salt guide →Which Should You Buy?
Choose Epsom Salt if:
- +You need it for bath soaks for muscle relief
- +You need it for garden fertilizer
- +You need it for foot soaks
- +You prefer extremely bitter
Choose Hawaiian Black Lava Salt if:
- +You need it for dramatic food presentation
- +You need it for sushi
- +You need it for eggs
- +You prefer clean sea salt flavor with subtle earthy mineral undertones from the charcoal