Heres how it doesand doesntwork.
They then boiled the water samples for five minutes and allowed them to cool.
Afterward, they remeasured the samples for free-floating plastic content.
Photo Illustration by Amelia Manley for Verywell Health; Getty Images
Soft tap water refers to water that does not have excess concentrations of these minerals.
Boiling hard tap water creates limescale, a chalky white deposit primarily composed of calcium carbonate (CaCO3).
As a result, they become big enough to filter out.
Soft tap water samples were trickier.
How Can You Tell If Your Water Is Hard or Soft?
Youll need to collect a sample and mail it to a lab for testing.
The incrustant-forming process is very fast.
We dont think too long of time boiling will make a significant difference, he said.
So why are things looking better for tap waterspecifically hard tap water?
Tap water and bottled water also differ in their sources, regulations, and cost.
Despite the uncertainties, there are plenty of hypotheses about what NMPs can do to your health.
But experts say further research and testing is needed to prove this.
2024;121(3):e2300582121.
2019;53(12):7068-7074. doi:10.1021/acs.est.9b01517
Natural Resources Defense Council.Bottled water vs. tap water.
2021;118(31):e2104610118.
