Pink salt contains minerals like potassium, magnesium, and calcium. Rock salt is primarily composed of sodium chloride with trace minerals, while black salt, minerals like sulfates, iron, and magnesium.
Pink salt tends to have a milder and slightly sweeter taste compared to regular table salt due to its mineral content. Rock salt has a similar taste to table salt. Black salt has a sulfuric flavour, which adds a pungent and tangy taste to dishes.
Pink salt is often used in brines for curing meats and seafood due to its attractive colour and mild flavour. Rock salt is used in dishes like soups, stews, and pasta water. Black salt has a unique flavour and is often used in chaats and chutneys.
Pink salt contains trace minerals that may support hydration. Black salt, particularly in Ayurvedic practices, is believed to aid digestion and alleviate bloating due to its sulfur content.
Pink salt is typically more expensive. Rock salt is widely available and more affordable for everyday cooking. Black salt often comes at a moderate cost.