1. CVR Labs Chemical, VOC and Metals Report
Addresses chemical parameters, including selected volatile organic compounds and metals.
View the CVR Labs reportPhoenix Gravity Filter Test Results: PFAS, Lead & 200+ Contaminants
Independent Phoenix Gravity Filter Testing
Phoenix Gravity New Millennium Edition™ Filter Test Results
Review the available independent laboratory reports for Phoenix Gravity New Millennium Edition™ Filter Elements. The published reports evaluate contaminants in municipal drinking water, including PFAS, heavy metals, chlorine, chloramines, pharmaceuticals, volatile organic compounds, disinfection byproducts, and other substances.
This page summarizes selected findings for easier reference and provides direct access to the complete laboratory reports. The original reports should always be consulted for test conditions, challenge concentrations, analytical methods, detection limits, and complete results.
5 published laboratory reports 200+ substances included in testing PFAS tested through 1,500 liters NSF/ANSI 42 certified NSF/ANSI/CAN 372 certified
This page documents testing for Phoenix Gravity New Millennium Edition™ Filter Elements.
>99.90% Minimum reduction for certain metals under the reported test conditions
<0.005 µg/L Reported PFOA and PFOS effluent through 1,500 liters
>96.69% / >95.00% Minimum chloramine and free-chlorine reduction from displayed values
75.50% Initial fluoride reduction in the April 2026 laboratory test
Important distinction: Independent laboratory testing and product certification are not the same thing. Phoenix Gravity New Millennium Edition™ Filter Elements are certified to NSF/ANSI Standard 42 for specified aesthetic effects and NSF/ANSI/CAN Standard 372 for lead-content compliance. References to NSF/ANSI 53, NSF/ANSI 401, EPA procedures, or other protocols within a laboratory report describe test methods or testing criteria. They do not mean that the filters are certified to those additional standards.
What Has Been Tested?
The published reports address individual contaminants or groups of contaminants using challenge water prepared for laboratory evaluation. Depending on the report, analytical work included metals analysis, liquid chromatography, mass spectrometry, gas chromatography and other recognized laboratory techniques.
- PFAS compounds, including PFOA, PFOS, PFBS, PFDA, PFHpA, PFHxS and PFNA
- Heavy metals, including lead, arsenic, mercury, chromium, cadmium, aluminum, copper, iron and others
- Chlorine, free chlorine, chloramines, chloride and disinfection byproducts
- Volatile organic compounds (VOCs), pharmaceuticals and other organic contaminants evaluated in the published laboratory reports
- Pharmaceuticals, emerging compounds and industrial chemicals
- Nitrate, nitrite, fluoride, petroleum compounds and selected radiologicals
Selected Quantified Test Results
The following influent and effluent values are taken from the April 20, 2026 Atom Testing Laboratory report for product code PGF9-2. The reduction percentages below have been independently recalculated from the displayed concentrations using (influent − effluent) ÷ influent × 100.
Why some figures differ from the PDF: Several percentages printed in the laboratory report do not mathematically match the influent and effluent values shown in the same table. To avoid repeating those discrepancies, this page uses direct calculations from the displayed concentrations. When an effluent value is shown with a “less than” sign, the result is presented as a conservative minimum using the stated reporting limit.
| Contaminant | Influent concentration | Effluent concentration | Recalculated reduction |
|---|---|---|---|
| Aluminum | 200 µg/L | <2 µg/L | >99.00% |
| Antimony | 21 µg/L | <0.5 µg/L | >97.62% |
| Arsenic | 200 µg/L | <0.5 µg/L | >99.75% |
| Beryllium | 200 µg/L | <0.2 µg/L | >99.90% |
| Bismuth | 50 µg/L | 0.3 µg/L | 99.40% |
| Boron | 20 µg/L | <1 µg/L | >95.00% |
| Barium | 20 µg/L | <1 µg/L | >95.00% |
| Cadmium | 20 µg/L | <0.2 µg/L | >99.00% |
| Chromium | 200 µg/L | 7.2 µg/L | 96.40% |
| Copper | 2,000 µg/L | 40.8 µg/L | 97.96% |
| Iron | 1,500 µg/L | 25.9 µg/L | 98.27% |
| Manganese | 500 µg/L | <0.5 µg/L | >99.90% |
| Mercury | 10 µg/L | <0.1 µg/L | >99.00% |
| Nickel | 100 µg/L | <0.5 µg/L | >99.50% |
| Selenium | 100 µg/L | <0.5 µg/L | >99.50% |
| Zinc | 150 µg/L | 26.1 µg/L | 82.60% |
| Chloramines | 3.02 mg/L | <0.1 mg/L | >96.69% |
| Free chlorine | 2.0 mg/L | <0.1 mg/L | >95.00% |
| Chloride | 236 mg/L | 10 mg/L | 95.76% |
| Nitrate | 42 mg/L | 0.3 mg/L | 99.29% |
| Nitrite | 3.8 mg/L | <0.1 mg/L | >97.37% |
| Fluoride | 8.0 mg/L | 1.96 mg/L | 75.50% |
For example, an effluent result of <0.1 mg/L means the actual concentration was below that reporting value. Therefore, the reduction exceeds the percentage calculated for 0.1 mg/L, but the exact percentage cannot be determined from the displayed data alone.
Fluoride clarification: The displayed values of 8.0 mg/L influent and 1.96 mg/L effluent calculate to a 75.50% reduction. This represents an initial laboratory result under the documented test conditions. The manufacturer states that fluoride reduction by carbon-based filter media may decline relatively quickly. For sustained fluoride reduction, Berkey PF-2® Fluoride and Arsenic Reduction Elements are designed for use with Phoenix filter elements.
PFOA and PFOS Testing Through 1,500 Liters
A separate RAYNU Analytical and Research Lab report evaluated PFOA and PFOS at multiple service-volume checkpoints. The report lists measurements at 0, 250, 500, 1,000, and 1,500 liters.
| Service volume | PFOA influent | PFOA effluent | PFOS influent | PFOS effluent |
|---|---|---|---|---|
| 0 liters | 0.5 µg/L | <0.005 µg/L | 1.0 µg/L | <0.005 µg/L |
| 250 liters | 0.5 µg/L | <0.005 µg/L | 1.0 µg/L | <0.005 µg/L |
| 500 liters | 0.5 µg/L | <0.005 µg/L | 1.0 µg/L | <0.005 µg/L |
| 1,000 liters | 0.5 µg/L | <0.005 µg/L | 1.0 µg/L | <0.005 µg/L |
| 1,500 liters | 0.5 µg/L | <0.005 µg/L | 1.0 µg/L | <0.005 µg/L |
The combined PFOA-plus-PFOS challenge concentration was listed as 1.5 µg/L, with effluent reported below 0.005 µg/L at each checkpoint. The report marked the test entries as passed under its stated criteria. Refer to the complete PDF for the protocol, method sensitivity, allowable-effluent criteria, and laboratory notes.
Complete Independent Laboratory Reports
Open the original PDFs below to review the complete analytical data. Reports are hosted on Berkey Phoenix, the official Phoenix Gravity New Millennium Edition™ product information website.
2. RAYNU Heavy Metals, VOC, PFAS and Radiological Report
Addresses heavy metals, volatile organic contaminants, disinfectants, disinfection byproducts, PFAS, selected radiologicals and petroleum contaminants.
View the RAYNU heavy-metals and PFAS report3. RAYNU Organic Contaminants and Pharmaceuticals Report
Addresses pharmaceuticals, selected emerging compounds, disinfection byproducts, and a broad range of organic contaminants. See the original report for the complete list of analytes.
View the RAYNU organic contaminants report4. RAYNU PFOA and PFOS 1,500-Liter Report
Reports PFOA, PFOS and combined PFOA-plus-PFOS measurements at 0, 250, 500, 1,000 and 1,500 liters.
View the 1,500-liter PFOA and PFOS report5. Atom Heavy Metals and Inorganic Contaminants Report
Provides quantified findings for heavy metals, chloramines, free chlorine, chloride, nitrate, nitrite, and initial fluoride reduction.
View the April 2026 Atom reportContaminant Categories Addressed
Expand each section for representative contaminants identified in the published Phoenix testing documentation. This is a reference summary, not a substitute for the individual reports.
PFAS and “Forever Chemicals”
PFOA, PFOS, combined PFOA and PFOS, PFBS, PFDA, PFHpA, PFHxS and PFNA.
Heavy Metals
Aluminum, antimony, arsenic, barium, beryllium, bismuth, boron, cadmium, chromium, cobalt, copper, iron, lead, manganese, mercury, molybdenum, nickel, selenium, uranium, vanadium and zinc.
Disinfectants and Disinfection Byproducts
Chlorine, free chlorine, chlorine residual, chloramines, bromochloroacetonitrile, chloropicrin, dibromoacetonitrile, dichloroacetonitrile, haloacetonitriles, haloketones, tribromoacetic acid, trichloroacetonitrile and trihalomethanes.
Inorganic Non-Metallic Contaminants
Chloride, nitrate, nitrite and fluoride.
Pharmaceuticals and Emerging Compounds
Acetaminophen, atenolol, BPA, caffeine, carbamazepine, ciprofloxacin, diclofenac, erythromycin, estrone, ibuprofen, meprobamate, phenytoin, progesterone, sulfamethoxazole, triclosan and trimethoprim.
Organic Contaminants
The published laboratory report evaluates a broad range of organic contaminants. Refer to the original laboratory report for the complete list of analytes and test conditions.
Volatile Organic Compounds
Tested compounds include benzene, bromodichloromethane, bromoform, carbon tetrachloride, chlorobenzene, chloroform, dichloroethane, dichloroethene, dichloropropane, ethylbenzene, MTBE, styrene, tetrachloroethene, toluene, trichloroethane, trichloroethene, vinyl chloride, and xylene compounds.
Additional Organic Compounds
Additional organic compounds were evaluated in the published laboratory documentation. See the original report for the complete list of analytes.
Other Evaluated Compounds
See the original laboratory documentation for the complete list of evaluated compounds.
Petroleum-Related Contaminants
Crude oil, diesel, gasoline, kerosene, mineral spirits, oil and grease.
Selected Radiological Elements
Cesium, iodine, strontium, thorium and uranium.
Taste, Odor and Particulates
Phoenix elements are certified under NSF/ANSI 42 for specified aesthetic effects related to chlorine, chloramines, and particulates that affect taste and odor.
Laboratory Methods and Instrumentation
The reports identify different analytical techniques according to the contaminant being evaluated.
ICP-MS
Inductively coupled plasma mass spectrometry was used for metals and selected elemental analysis.
LC-MS/MS
Liquid chromatography with tandem mass spectrometry was used for PFAS and certain pharmaceutical and organic compounds.
GC-MS/MS
Gas chromatography with tandem mass spectrometry was used to analyze volatile organic compounds and other organic contaminants.
The documents also reference applicable procedures or guidance from sources such as APHA, AOAC, EPA, and selected NSF/ANSI testing protocols. Exact methods vary by report and analyte.
NSF/ANSI 42 and NSF/ANSI/CAN 372 Certification
Phoenix Gravity New Millennium Edition™ Filter Elements are listed by NSF for the following standards:
- NSF/ANSI Standard 42: certification for specified aesthetic effects, including reduction of chlorine, chloramines, and particulates that can affect taste and odor.
- NSF/ANSI/CAN Standard 372: certification addressing lead-content requirements for components that contact drinking water.
Certification listings can be independently checked in NSF’s official certification database.
Test Result Questions
Are Phoenix filter elements certified to NSF/ANSI 53?
No NSF/ANSI 53 product certification is claimed on this page. Some laboratory reports reference NSF/ANSI 53 procedures, challenge conditions, or informative annexes as part of their testing methods. Testing with a protocol is different from full product certification to that standard.
Why does this page not repeat every “99.9%+” value printed in the report?
Because several printed percentages do not match the concentrations displayed beside them. This page recalculates each result directly. For a “less than” effluent value, the page uses the stated reporting limit to show a conservative minimum. For example, reducing 3.02 mg/L to less than 0.1 mg/L supports a reduction greater than 96.69%, not a directly verifiable 99.9%+ from the displayed values alone.
Will every household receive the same result?
Not necessarily. Laboratory results apply to the test sample, challenge water, flow rate, preparation, service volume, and other conditions described in each report. Actual performance can be affected by influent water quality, contaminant concentration, filter condition, installation, and maintenance.
Do the filters reduce fluoride without PF-2 elements?
The April 2026 report recorded an initial 75.5% reduction in fluoride under its specified conditions. The manufacturer explains that this ability can decline relatively quickly in carbon-based media. Berkey PF-2® Fluoride and Arsenic Reduction Elements remain the appropriate accessory for sustained fluoride reduction.
Do Phoenix elements change Total Dissolved Solids?
The elements are not designed to remove beneficial dissolved minerals such as calcium and magnesium, and they ordinarily do not produce a meaningful change in a TDS-meter reading. A TDS meter is therefore not an appropriate tool for measuring the removal of many specific contaminants addressed by activated-carbon filtration.
Are microbiological reduction claims included?
No microbiological reduction claim is presented for Phoenix Gravity New Millennium Edition™ Filter Elements. The published product guidance is directed toward non-biological contaminants associated primarily with treated municipal water supplies.
Compare Phoenix elements with other options in our Berkey Replacement Filters Guide.
Phoenix Gravity New Millennium Edition™ Filters
Phoenix filter elements are officially endorsed by New Millennium Concepts, Ltd. for use in Berkey® gravity-fed systems and are compatible with Berkey PF-2® Fluoride and Arsenic Reduction Elements.
Buy Phoenix Replacement Filters