Other FAQ's

What is the TDS reading of the purified water?

A TDS meter does not register much of a change between the pre-filtered water and the post-filtered water. This is normal, and the answer has to do with what a TDS meter actually measures. According to tdsmeter.com, “Total Dissolved Solids (TDS) are the total amount of mobile charged ions, including minerals, salts or metals dissolved in a given volume of water, expressed in units of mg per unit volume of water (mg/L), also referred to as parts per million (ppm). TDS is directly related to the p...

Comparison of Berkey® Purification to Reverse Osmosis and Distillation

Healthfulness of Reverse Osmosis and Distillation Based on current research, most health experts are no longer recommending drinking RO or distilled water on a long-term basis because these methods strip out all of the beneficial minerals from the water, making the water an acidic “hypotonic” solution. A chemist will tell you that when a hypotonic (de-mineralized) solution comes into contact with a “hypertonic” (mineralized) solution, the minerals within the hypertonic solution will transfer ou...

Are Berkey® products available in California?

The state of California has established regulations and procedures for the sale of_ indoor_ water systems. Under these regulations, the state of California requires that any water treatment system that is sold in the state first be certified by an independent, third-party testing agency, such as NSF, before the system can be considered eligible for sale in California. NSF Standard 42 (aesthetic effects) and Standard 53 (health effects) would specifically apply to our purification elements. NSF ...

Are Berkey® Systems Available in Iowa?

The state of Iowa has established regulations and procedures for the sale of water systems. Under this regulation, the state of Iowa requires that any water treatment system that is sold in the state first be certified by an independent, third-party testing agency, such as NSF, before the system can be considered eligible for sale in Iowa. NSF Standard 42 (aesthetic effects) and Standard 53 (health effects) would specifically apply to our purification elements. NSF Standard 42 covers systems “d...

Are the Black Berkey® Purification Elements or Berkey PF-2™ recyclable?

We don’t recommend the recycling of the Black Berkey® Purification Elements or PF-2s. The shells of the Berkey® PF-2™ are made of Polypropylene, which is Recycle Code 5. Uses of Polypro (for short) include catsup bottles, yogurt containers, margarine tubs & medicine bottles. However, there is no recycle code for the Berkey PF-2™ elements. As we understand it, a recycle code cannot be assigned since the element is sealed and contains material inside for arsenic & fluoride reduction. To re...

Dissinfecting Extremely Contaminanted Water

The Berkey water purification systems can efficiently purify raw untreated pond, lake and river water. However, always use the cleanest and clearest water possible. As an additional precaution, if using a source of water that you believe might contain extreme viral and bacteriological contamination, it is recommended by the CDC, EPA and other organizations that approximately sixteen drops of plain bleach (sodium hypochlorite) or iodine per gallon be added to treat the source water before purifyi...

Why are there white floaters in my purified water?

This sometimes occurs with hard (heavily mineralized) water. Most contaminants are acidic by nature. When the water is purified, this causes a slight increase in pH typically by 0.5 to 1 point higher. As the PH level of the purified water increases, the acidity of the water goes down and the water is no longer able to hold as many minerals in the solution. Because of this, the minerals begin to precipitate over time and depending on the mineral composition they will either sink to the bottom or ...