this post was submitted on 24 Apr 2026
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I had a labmate who insisted on ph testing distilled water. Not because he was concerned about contamination, but because it was part of the ritual.
Is lab grade distilled water more guaranteed to be neutral pH? Because I tested some random distilled water from walmart and it was like 5.5. I then went on a rabbit hole and learned that distilled water is so pure that it just sucks up carbon from the air which is where the acidity comes from.
maybe it introduces some critical contaminant (many such cases)
"We switched brands of litmus paper and now everything's in shambles!"
I used to do a similar ritual, and it was really reassuring. Might be an autistic thing for me though lol.