Almost inevitably, expeditions and explorers will be drawn to areas where levels of technology and hygiene are not the same as they are used to at home. Water supplies may contain bacteria, parasitic cysts (like Giardia) and viruses. This can lead to serious stomach upsets, dehydration and other illness. The most basic form of purification is to use either Iodine or Chlorine and these are key items in Lifesystems widely used water purification range.

Life Systems Chlorine Tablets £3.25	Life Systems Iodine Droplets £4.50
Life Systems Iodine Tablets £4.50	Life Systems Neutralising Tablets £3.25