Can you put it on the scales, please? http://ladentalspas.org/digemax-review digemax  The number of people whose water supplies contain naturally occurring fluoride at the optimum level (around one part of fluoride per million parts of water) is estimated at around 330,000, including those living in Hartlepool and Easington in the north east of England, Uttoxeter in Staffordshire and parts of north Hampshire and south Berkshire.