- Berkey® Biofilm Drops are used for storing and maintaining pure, fresh water
- Scientifically engineered and patented Copper-Sivler 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
- Instructions can be found Here: Berkey Biofilm Drops Instructions
![](https://www.usaberkeyfilters.com/wp-content/uploads/2019/09/USABerkeyFilters_Berkey_Stainless_Steel_Spigot_blue_stripe-400x400.jpg)
![](https://www.usaberkeyfilters.com/wp-content/uploads/2018/02/USABerkeyFilters_Black_Berkey_Primer_blue_stripe-400x400.jpg)
Berkey BioFilm Drops (Super Special)
Original price was: $41.00.$29.99Current price is: $29.99.
Berkey® Biofilm Drops are used for:
• Store & maintain pure, fresh water
• Scientifically engineered and patented Copper-Silver Ion solution
• Defends against bio-film related bacteria in ceramic water filters, carbon (charcoal filters), and water storage containers
• Treats 330 Gallons
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