Berkey Biofilm Drops


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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 odour-free 
  • Simple and easy to use