In older houses there is only one tap it is ‘safe’ to drink from. Usually in the kitchen, all others, hot and cold, are fed from the tank in the roof. For some

In older houses there is only one tap it is ‘safe’ to drink from. Usually in the kitchen, all others, hot and cold, are fed from the tank in the roof. For some reason it’s OK to brush your teeth with water from the tank but not to actually drink it.