Micropur Quick is a chlorine-based water purification tablets that destroy harmful bacteria in drinking water and protect against diseases caused by water-borne infections. Place a tablet in a litre of water and wait 30 minutes. The tablet itself has a long shelf life (4 years). Use in combination with a filter in turbid water. We recommend Micropur Quick for sketchy water sources. Features Contact Time: 30 min for bacteria and viruses, 2 h for Giardia in clear water 1 Tablet does 1 litre of water Form: Tablets. Shelf-life: 4 years from manufactures date. Application: Camping, travelling and hiking. Use biocide safely Always read the label and product information before use Swiss made Specifications Water source: Rivers, streams, lakes, water tanksGroup size: 1, 2-5Product type: tabletContact Time Bacteria: 30Contact Time Virus: 30Contact Time Cysts: 120Content: 70Dosage: 1 tablet per litre Form: tabletsShelf life (years): 4Content Sufficient For: 70 LDisposal: Dispose of contents/container in accordance with local legislation.