TOPIC: Safe Water
Surface water should be Treated by boiling it to rid it of germs and parasites and some Pollutants. Waterborne Diseases can be deadly, and Emergencies can occur suddenly. A Filter such as Katadyn, AquaPure, PUR Plus, Brittas, Amway, or Pre-Filter can help. Chlorine has its pros and Cons, but Standing removes it. Containers for Storing Water, perhaps in Bulk, can leach. Hard Plastic and metal are best, though though Soft Plastic reportedly works, but Copper can cause problems. Some plants, such as Cactus, store water. Drinking Salt Water such as seawater can be extremely dangerous, as are other Bad Options, but Urine is potable. Purifying by distillation is a Simple Process. A Solar Distiller uses heat from sunlight. Even the Ancients had distillers, and Seawater can be distilled using only the heat of the day. A misc.survivalism ftp covers the issues but presumes a short term crisis.