Many diseases are linked to waterborne bacteria. A high quality water filter is a worthwhile investment. Katadyn manufactures some of the best in the world. This model is basically two buckets stacked on each other. The tap water is poured into the upper canister where it seeps through the three carbon/ceramic filters into the lower canister which acts as a reservoir with a spout. This model and the filters are not cheap, but an ounce of prevention…