Silver wing’s Colloidal silver extra strength 500PPM 8oz

Immune Support Ingredients:Pharmaceutical Grade Water and Colloidal Silver 250 PPM storage:  Keep Colloidal Silver in a cool, dark place, never on a sunny window ledge or in the refrigerator or freezer. For long-term storage, colloidal silver should be contained in a dark, amber colored glass. There is an inherent electric charge in all plastic that causes the silver to collect on the inside of the plastic container. It should not be stored for prolonged periods of time in plastic.   8oz Cap top.