One of the biggest issues in the hot drink vending industry today is a problem that the industry has been trying to deal with for over 40 years.
The Water!
To make a great tasting coffee or tea you need to have great tasting water and this has always been a contentious and problematic issue for the coffee and tea vending industry due to the many issues with taste and also machine reliability.
See more here…
https://h2odirect.co.uk/home/information/importance-water-filtration-hot-drink-production/