Clive Bull is Leading Britain's Conversation, including the Health Hour from 9pm
3 August 2017, 17:20
Is there such a thing as 100% pure water?
Mystery Hour Question
Is it possible to get 100% pure water?
Name: Alex, Guilford
Qualification: Window cleaner
Answer: You can create pure water through reverse osmosis. The process takes out minerals and limescale resulting in pure water.