When we renovated our house this year, one of the questions we had to ask ourself was - should we get a water filter? Is it needed, or can we save on this expense? Is a water filter necessary in Singapore? It is common knowledge that Singapore's tap water is safe to drink. And while PUB makes it mandatory for town councils in charge of the water tanks to engage licensed plumbers for regular inspections, there have also been cases where contaminants were found in HDB water tanks, including worms, yellowish water and even a dead body. Our tap water in Singapore contains chlorine (to kill bacteria) and fluoride. Despite the controversy over fluoridated water, which is banned in many European countries as well as China and Japan, PUB still adds fluoride to our water in a bid to fight tooth decay. But I'm concerned over the studies showing that fluoridated water might reduce children...