I've not seen any shops in the UK, that sell only carbonated water. Or are you, for some obscure reason, not including the offshore island as part of the European continent? This looks like sloppy use of 'all...' to me.
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I have in Sweden form some time and have visited Denmark also. I have not seen normal water bottles there. Also I can to know from some other sources that it is same in Germany and France as well. Do not know about UK but I thought it is same.