The Harrogate sparkling version has all the taste of an empty co2 canister and about as much fizz...

It does seem that many places use Harrogate as their free water (Hilton check-in being another big one), which is down to the fact that it is one of, if not the cheapest to source in bulk, but this cheapness would appear to come at the cost of it tasting a bit like tap water from a bad area