Does Hard Water Boil at a Higher Temperature?

How Minerals Affect Water Boiling Point

Hard water boils at a slightly higher temperature than ordinary water.
Hard water boils at a slightly higher temperature than ordinary water. Dave Rudkin / Getty Images

Question: Does Hard Water Boil at a Higher Temperature?

Answer: Yes, hard water boils at a higher temperature than ordinary water. The difference in temperature usually is a degree or two. Hard water contains dissolved minerals, which causes boiling point elevation. Adding salt to water produces a similar effect.

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Helmenstine, Anne Marie, Ph.D. "Does Hard Water Boil at a Higher Temperature?" ThoughtCo, Mar. 27, 2016, thoughtco.com/hard-water-boiling-points-609404. Helmenstine, Anne Marie, Ph.D. (2016, March 27). Does Hard Water Boil at a Higher Temperature? Retrieved from https://www.thoughtco.com/hard-water-boiling-points-609404 Helmenstine, Anne Marie, Ph.D. "Does Hard Water Boil at a Higher Temperature?" ThoughtCo. https://www.thoughtco.com/hard-water-boiling-points-609404 (accessed January 19, 2018).