It's good to see the honest qualifications in the article: >Mason's team was able to identify specific plastics over 100 microns (0.10 mm) in size but not smaller particles. According to experts contacted by CBC News, there is a chance the Nile Red dye is adhering to another unknown substance other than plastic. >Mason leaves open that possibility but leans strongly to the smaller particles being plastic. >The develo…
For practical purpose does it matter? It detects non-water particles(pollution) in twice higher ratio than in tap water and plastic bottled water is sold as way purer than tap water with 1000 time higher price. Basically it's scam.
I very much doubt that's the case, I'm just saying we can't make such direct assumptions when analyzing scientific research.