💎 Unlock the Power of Purity! Proudly produced in-house, ensuring the highest quality without compromise. Certified by 3 independent laboratories, we share our results to build trust. Experience the power of concentrated colloidal silver at 40 PPM for maximum effectiveness. Crafted with Type 1 UltraPure Water, ensuring unparalleled purity and safety. Includes a free 30ml spray for on-the-go use and a handy measuring cup for precision. Certified by 3 Labs 300mL Volume 40 PPM Concentration Institut Katharos presents the Highest Purity Colloidal Silver, a 300mL solution at 40 PPM, crafted with Type 1 UltraPure Water and certified by three independent laboratories. This product not only offers superior concentration and effectiveness but also comes with a free spray for convenience and an informative E-book to enhance your understanding of colloidal silver.