Berkey Biofilm Drops 60ml

Berkey Biofilm Drops are a patented, scientifically designed copper-silver ionic solution that is safe and easy to use. The drops were designed as a pre-treatment to defend against microbiological growth and control biofilm buildup in filters and water storage containers.

Use Berkey Biofilm Drops in your Berkey Water Filtration System:

Easy to use. Just add four drops per 3.8 liters of water each time you fill your system.
It helps preserve your Black Berkey filter elements.
Extends the time between cleanings.

Use Berkey Biofilm Drops to store and conserve water:

Store and preserve water for up to five years. Eliminate the need to rotate your stored water every six months.
Keep your water fresh and odor free.
Just add 10ml per 210 liters of water.
When you are ready to use the stored water, use the supplied test kit to check for residual ions in the water.
Stored water must be filtered through your Berkey water filter system before use.

Ingredients :

96.5% Copper Sulfate Pentahydrate, 2.5% Silver Nitrate, Complexants and Stabilizers: < 1%