Epsom Salt vs Australian Lake Salt: Which Salt Is Better?
Choosing between Epsom Salt and Australian Lake 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 | Australian Lake Salt |
|---|---|---|
| Origin | Originally from Epsom, Surrey, England; now manufactured worldwide | Western Australia, South Australia |
| Color | White, translucent crystals | White, pink, or rose depending on lake |
| Type | Magnesium sulfate heptahydrate (not sodium chloride) | Inland lake salt from ancient dry lake beds |
| Harvest Method | Synthesized from magnesium, sulfur, and oxygen or mined from natural deposits | Harvested from evaporated salt lake deposits in Australian outback |
| Taste | Extremely bitter. Not used as a food seasoning. | Very clean, crisp salt flavor with minimal mineral complexity. Purer than most sea salts. |
| Grain Sizes | Fine, Medium crystals, Coarse crystals | Large crystals, Medium, Fine |
| Price Range | $1-5 per pound | $3-8 per pound |
| Best For | Bath soaks for muscle relief, Garden fertilizer, Foot soaks, Beauty treatments, Constipation relief (medical grade only) | General cooking, Industrial use, Table salt, Water softening, Food processing |
| Trace Minerals | 3+ | 35+ |
| Sodium (g/100g) | N/A | 38 |
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. Australian Lake Salt originates from Western Australia, South Australia and is harvested from evaporated salt lake deposits in australian outback.
Taste Profile
Epsom Salt: Extremely bitter. Not used as a food seasoning. Australian Lake Salt: Very clean, crisp salt flavor with minimal mineral complexity. Purer than most sea salts.
Price Comparison
Epsom Salt typically costs $1-5 per pound, while Australian Lake Salt ranges $3-8 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 Australian Lake Salt
Australia's interior contains thousands of salt lakes formed when ancient seas receded millions of years ago. The continent's flat, arid interior with minimal rainfall preserved these salt deposits. Lake Eyre (Kati Thanda), Australia's largest lake, is a salt flat that fills with water only rarely. Aboriginal Australians harvested salt from these lakes for thousands of years. Commercial salt production began in the 19th century and today Australia is a major global salt exporter, particularly for industrial and food-processing markets.
Best for: General cooking, Industrial use, Table salt, Water softening, Food processing.
Read full Australian Lake 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 Australian Lake Salt if:
- +You need it for general cooking
- +You need it for industrial use
- +You need it for table salt
- +You prefer very clean, crisp salt flavor with minimal mineral complexity