Colloidal Silver Mineral Liquid Supplement - Daily Immune System Support - Colloidal Nano Silver 51 Ounces 20 PPM

About this item World's Highest Particle Surface Area which is up to 600 times greater than other products World's Smallest Particle Size, less than 1 nm on average, High Colloidal/Ionic percentage & High Particle Concentration. You need a PWT meter to test the product because its Colloidal Silver and Ionic Silver. Best on the market