Berkey BioFilm Drops™

●      Berkey Biofilm Drops™ are used for storing and maintaining pure, fresh water

●      Scientifically engineered and patented  Copper-Silver Ion solution in the defense of biofilm related bacteria in ceramic water filters, carbon (charcoal filters)  and water storage containers

●      Especially formulated for use in harvested rainwater containers, long term storage water containers and for use in emergency preparedness and disaster relief

●      May be used with any type of filter media but works best with Black Berkey® Purification Elements 

●      Extends the shelf life of water being stored for up to 5 years

●      Extends the time between element cleanings

●      Eliminates the need to rotate stored water every six months and keeps your water fresh-tasting and odor-free

●      Simple and easy to use

●      Claims are based on independent testing and peer reviewed scientific research and have not been reviewed or evaluated or approved by the EPA