I'll re-read this thread later with that fun fact in mind. I have a feeling it will be quite hilarious.
Neither fun fact, nor hilarious.
Volvic is a good water for tea There is a vast difference between tap water treated with chlorine and whatever else that is filtered - and which will never make a good tea water unless the source water is good for tea - and natural spring water (filtered or unfiltered) with the right softness that does not suppress tea. If the filtration process reduces the minerals the amount that makes Volvic such a good water for tea than i am glad about it.
In China i have drunk tea with unfiltered spring water close to the plantations, and it was awesome. In Malaysia people use water from the Ipoh area, both from source springs and bottled (considerably cheaper than Volvic, and very good). Here in Bangkok our tap water comes from reservoirs, is heavily treated with chlorine, may contain, depending on area, heavy metals, and has to be filtered not to be a health risk. One can brew tea with it, but it will never ever brew a great cup of tea.
My hometown near the Alps has one of the best and cleanest drinking waters in the world right out of the tap, but it is so hard that it destroys every tea, and even filtering it will only result in the build up of scale in the kettle just slowing down a bit.
Water, after the tea leaves, is the most important ingredient in a good cup of tea. If you want the maximum out of your teas, you will have to experiment with whatever water is available in you area. Most people are not that lucky and live close to a natural spring with suitable water for tea, and will therefore have to buy bottled water. Volvic is very good, and i am sure that there are better ones. Just not available where i live.