The Christchurch couple which invented a water filtration system for use by intetrnational aid agencies say they standing by their product despite tthe hospitalization of two journalists who tested it.

Four reporters from The New Zealand Herald, TVNZ and TV3 suffered serious stomach problems, with two of them requiring emergency treatment in hospital.

All four were covering the launch of Russell and Sue Kelly’s water filtration system which is designed to turn polluted water and raw sewage into drinking water.

Ms Kelly told Radio New Zealand the sample may have inadvertently become contaminated, but she stands by the effectiveness of the filtration system.

Source and more info: nbr