*I'm sure most of those "science for kids" book authors never tried a single one... | Hacker News

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		nitrogen on Nov 17, 2021 \| parent \| context \| favorite \| on: How to grow sodium chloride crystals at home I'm sure most of those "science for kids" book authors never tried a single one of their experiments. They should at least recommend distilled water because tap water impurities vary greatly from place to place.

dghughes on Nov 17, 2021 [–]

I was expecting distilled water to be the most critical part but it was even mentioned.

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