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Can You Boil Saltwater For Drinking Purposes?

April 5, 2026

Quick Answer

Boiling saltwater can kill bacteria, viruses, and other pathogens, but it does not remove minerals and other impurities. While it's possible to boil saltwater for drinking purposes, the resulting water may not be palatable or safe due to the presence of high levels of dissolved solids. Boiled saltwater is not a reliable method for long-term hydration.

Boiling Method for Saltwater

Boiling is a simple and effective method to kill pathogens in saltwater, but it’s essential to note that it does not address the issue of dissolved solids. To boil saltwater, start by gathering a container, such as a pot or a metal can, and fill it with 1 liter of saltwater. Bring the water to a rolling boil, which is typically around 100°C or 212°F at sea level. However, the boiling point increases with altitude, so you may need to adjust the temperature accordingly.

Removing Dissolved Solids

Removing dissolved solids from saltwater is crucial to make it safe for drinking. One method is to use a process called desalination, which involves boiling the water and then collecting the condensed steam, which is free from dissolved solids. Another method is to use a solar still or a transpiration bag, which can be effective in removing salt and other minerals from the water. These methods require some equipment and knowledge but can be effective in removing dissolved solids from saltwater.

Precautions and Considerations

When boiling saltwater, it’s essential to use a clean container and to bring the water to a rolling boil to kill all pathogens. Additionally, it’s crucial to store the boiled water in a clean container to prevent recontamination. If you plan to boil saltwater regularly, consider using a method to remove dissolved solids to make the water safer and more palatable.

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