Fast and effective water disinfection tablets for traveling, hiking, and prepping. Unlike water filters, these also eliminate viruses. Only suitable for clear water. If the water is muddy, use a water filter first. Preserves water for up to 6 months by using silver ions. Because this is considered a biocide, only use these in conditions where a water filter isn’t enough.

In normal use, a water filter is enough. Use these tablets only when there is a chance of viruses, which the filter won’t filter. Always read the label and product information before use. This stuff causes serious eye irritation, so don't rub treated water in your eyes. Note that this is also toxic to aquatic life with long-lasting effects! So, don’t pour the purified water into waterways or anywhere where it can end up in waterways.