Check the listing for details. Colloidal Copper 60PPM 8.5oz. Condition: New. Listed at 21.99 USD. Here at Atlantean Alchemy we do things differently. Welcome to the future of nanoparticle • True Colloidal Copper containing 100% copper colloid • Made with only the most pure 99.998 refined copper• Particles as small as 1-2 nanometers (nearly 6000 times smaller than a red blood cell)• The smallest particle sizes for maximum bioavailability • BPA-free clear bottles for proper storage• Every batch of colloidal copper undergoes a three-step quality control process• Infinite shelf life *Colloidal copper cannot be properly tested with a TDS meter*• The best way to determine particle size is by ELECTRON MICROSCOPE • The best way to determine purity is by ICP ATOMIC SPECTROSCOPY • The best way to determine concentration is by ICP ATOMIC EMISSIONS.Pass a laser through our colloidal copper to see the solid red line; there are so many particles packed in our colloidal copper! *Disclaimer: This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.