For all around health and household use, the no-frills, linepensive Silver Bullet generator is a best buy for making your own ionic/colloidal silver for only pennies per quart. The higher voltage produces smaller particles as well as greater colloidal content than most other generators - including the highly touted ones. Plus, as an added bonuse, buyers get to buy the really good stuff, Utopia Silver Advanced Colloidal Silver, at a buy-one, get-one free discount. Use our group discount code of LR001 to get an extra 5% off!