Dr. John Stewart Biophysica president presents here a quick overview of Biophysica’s current line of colloidal silver generators. From conveniently small, portable battery operated devices to large industrial/commercial size. Biophysica produces the most advanced colloidal generators available. These generators not only produce the highest quality colloidal silver (lab tested and confirmed), they are also capable of producing a dozen other colloidal waters such as colloidal gold, colloidal magnesium and many more which the competition is simply not capable of. Please go to
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