Singaporeans spend more money on bottled water than any other nation. But is there really much difference between cheap and expensive brands? Straits Times put a panel of four regular water drinkers to the test.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
