Research has shown that a water treatment system can significantly enhance drinking water quality. An excellent system is now available to consumers in the United States and Canada—the eSpring Water Purifier available through independent business owners from Quixtar Inc., of Grand Rapids, Mich. The purifier was designed for municipally supplied or private well sources of potable drinking water, and it’s the first in-home point-of-use water system to combine a patented carbon block filter with ultraviolet light technology.