Destinations10 mins ago
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Sodastream won't give you the flavour and the bubbles will be too coarse to be authentic. But you will get water with fizz in it. If you could taste fizzy water from somebody who has a sodastream you might find it acceptable, but I wouldn't buy one before trying it out. There should be much cheaper alternative fizzy waters.
What I like about the fizzwat available in France is that they mostly have lovely strong flavours of minerals and alkalis etc. Tap water with bubbles is a bit pointless, but real mineral water at least offers a range of flavours. I think that pellegrino is anodyne, as are many of the big names, but I do prefer a bit of flavour. If I were you I'd try the cheapest UK ones you can find, and then work your way up the price range only if you need to.