This is especially true for hard water, where the effectiveness of the method reaches 90%.
In a study published in the journal Environmental Science and Technology Letters, scientists from Guangzhou Medical University and Jinan University added microplastic particles to different types of tap water samples. They then boiled the water for 5 minutes.
It turns out that boiling in hard water (high calcium content) removes up to 80% of microplastics.
This is because when boiled, calcium reacts with the plastic to form insoluble compounds that precipitate.
In soft water the effect was less pronounced; boiling removed only 25% of microplastics.
Therefore, boiling is a simple and cost-effective way to make drinking water cleaner. If your water has limescale, you can also run it through a paper coffee filter to remove any remaining sediment along with the plastic “encapsulated” in it.
Source: Ferra
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