Berkey BioFilm Drops

Berkey® Biofilm Drops have been scientifically engineered for use in defense of biofilm formation in ceramic water filters, carbon (charcoal) filters, and water storage containers.

•  Store & maintain pure, fresh water
• Use Berkey Biofilm Drops to extend the shelf life of water being stored for up to 5 years. This eliminates the need to rotate your stored water every 6 months and keeps your water fresh tasting and odor free.
• Just add four drops to each gallon or 10 mL to 55 gallons of water.
• When you are ready to use your stored water, use the enclosed test kit to test for residual ions in the water.
•  Treats 330 Gallons

Use Berkey Biofilm drops in your Berkey Water Filter System:

• Just add four drops to each gallon every time you refill your system.
• It helps to preserve your Black Berkey Filter Elements.
• Extends the timeframe between cleanings.