Ef-Chlor Water Purification disinfects contaminated drinking water in any situation. Ef-Chlor is used worldwide by campers, hikers, militaries, emergency organizations and anyone needing to drink water of questionable bacteriological quality. For use only when drinking water is suspected or known to be bacteriologically substandard. Water Purification Solutions: Ideal for Camping, Hiking, Travel, and Emergency Situations If you want to purify water while on the go, then water purification tablets would be your best option. This method of water purification is commonly used by backpackers and other outdoor adventurers due to their ease of use. They are also widely used during disasters such as floods when the available water is unsafe for drinking. Just like most of the water purification methods, Our tablets are typically chlorine tablets which helps to purify the water from the impurities..