"ja...@tir.com" wrote: > Hi Marshall, > The metal form of silver used in water purification systems is > releasing ions into the water. Either through natural forces for very > small ppb amounts or elctrochemically for larger concentrations. The > system on the shuttle was called the "advanced prototype silver ion > water bactericide system", this was back in 1976. In 1973 Russian > scientists determined that ionized silver provides the safest and > longest lasting method of purification. Silver impregnated carbon > filters coated with silver release small amounts ions into the water. > All referenced from The Silver Institute > > Rob
Thanks for the additional information. I was not aware of that. I believe that the water filters that you can purchase that have embedded silver do still work without the ions though. Marshall