Pristine Tabs are the perfect, must-have for hiking, camping, traveling, or your emergency preparedness kit! Just add 1 (one) tablet to 1 (one) litre of water, dissolve, and wait 30 minutes. Pristine Tabs can be used for drinking water, making ice cubes, brushing teeth, washing fruits and vegetables, plus preparing food and beverages. Water treated with Pristine Tabs are safe for children and pregnant women. Pristine Tabs are an easy way to make river, lake, or tap water safe to drink! One resealable pouch can treat up to 50 litres of water. Each tablet contains 8.5mg of Sodium Dichloroisocyanurate (NaDCC) and is certified to NSF/ANSI/CAN 60.