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Bulk options like Amazon Basics or generic 50lb bags can bring costs down significantly, though shipping weight should be considered if not using Prime. : Offers 8lb bags for approximately $6
For the best value, the cheapest places to buy Epsom salt (magnesium sulfate) are like Walmart and agricultural supply stores for industrial-sized needs. While specialized bath boutiques charge a premium, you can find prices as low as $0.05 – $0.08 per ounce by purchasing in bulk or using store brands. Top Retailers for Cheap Epsom Salt where to buy epsom salt cheap
: Best for small, single-use quantities.