While some water purification tablets do last indefinitely if unopened (like iodine), others have a shelf life of five years or less. Cost of the Best Water Purification Tablets. If you’re purchasing ...

Water Purification Tablets vs Filter: The Upside of Filters. It turns out that while I had my back turned to the water filters, there were some pretty significant improvements to the technology. The ...

Water is essential to living a happy, healthy life. Ditch plastic bottles and try these strategies for staying safely hydrated no matter where you travel.