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Oh, you know what Fiji water I am talking about here- The artisan bottled water that I love SO much- is naturally filtered through tons of hardened volcanic lava, on an uninhabited island in the Fijis…. Yep! That’s the one. However, I know a few things about volcanic lava, and am wondering if some experimentation would be needed to check for the presence of hard water, which is essentially water with heavy metal in it, as well as calcium. The standard for drinking water is limited to a certain amount of ppm per sample, per type of material, as can be viewed in more detail via the third link under the article’s sources. (PPM means parts per million) What I found through just a few minutes of searching (I am no scientist, and do not purport to be peer reviewing anything here, but find it interesting nonetheless) was a study that tested for hard water, between Aquafina, Fiji water, distilled water, tap water from a Brita water filter, and rainwater from a puddle. Amazingly, the Fiji water was under the maximum ppm for the drinking water standard, Aquafina was even better, and distilled water took the (excuse the pun) GOLD for being the lightest water tested.
Not surprisingly, the puddle of rain water was the hardest of all these waters, and had the most total dissolved solids in ppm. Surprisingly, though- the Brita water filter did very little to keep one’s drinking water safe. In fact, it was a very close second in hardness to the rain puddle water, and may have had had more ppm than what the drinking water standard calls for. I would question where the tap water came from, to run the Brita tap water test, of course, because that may have less to do with the filter and more to do with the actual tap water source or the quality of the pipes from which it was delivered to said tap.. And as the student whose hard water testing was the study I found, also mentioned- the puddle could have also had storm runoff from areas with high concentrations of magnesium and such. I found this to be very interesting indeed. Perhaps I shall continue to explore this topic in more detail, for future posts. Err that is, with my square bottle of environmentally friendly Fiji water loyally at my side. =)