- #31
Blenton
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Tell that to Marie Curie.
Is Reboiling Water Safe? Debunking the Myth.
- Thread starter Zdenka
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- Water
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The discussion centers around the misconceptions surrounding the practice of reboiling water in kettles. The original poster expresses frustration over their grandmother's belief that reboiling water causes cancer. Participants clarify that reboiling water does not increase cancer risk and that it can actually kill bacteria that may develop when water sits warm. They explain that boiling water does not break the H2O bond and that any concentration of impurities from repeated boiling is negligible, especially with modern electric kettles that turn off shortly after boiling. Concerns about losing oxygen or creating dangerous hydrogen levels through reboiling are dismissed as unfounded. The conversation also touches on the potential for superheating water in microwaves, leading to dangerous situations, and the importance of using fresh water for optimal tea flavor due to dissolved gases. Overall, the consensus is that reboiling water is safe, though it may concentrate non-volatile impurities slightly.
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