- 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
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