P&G Purifier of Water
Procter & Gamble
P&G Purifier of Water is a powdered purification technology in a 4-gram sachet that can clean and disinfect water.
P>M Purifier of Water (formerly known as PUR) is a single packet of powder which contains both coagulants and chlorine to disinfect and reduce the turbidity of 10 liters of water. When mixed with water, first the coagulant allows suspended particles to join together and settle at the bottom of the container which can be filtered out by filtering the water through a cloth. Then, timed chlorine release kills remaining pathogens. The process takes 30 minutes and the treated water contains residual-free chlorine to protect against recontamination.
Global; including 65 countries
NGOs and Global Implementing Partners
Gadyen Dlo from Deep Springs International, WaterGuard tablets, chlorine tablets, and solution
Goal 6: Clean water and sanitation
Households using contaminated drinking water sources and emergency relief situations
Manufactured by P>M
NGOs and aid organizations provide or sell the sachets to people in the areas they serve
Over 600 million packets of P>M have been distributed in more than 65 countries
List of the methods used for purification
Manufacturer-specified water treatment rate, measured in liters per hour
Laboratory-evaluated log scale removal rate of bacteria
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
Manufacturer-specified maximum level of inlet turbidity (NTU)
Range or value of outlet turbidity levels (NTU)
Is there safe water storage integrated into this product?
What is the total number of liters that is recommended can be filtered?
List consumables of this product (power, filters, etc.)
Instructions for use: Add the contents of one packet to 10 liters of water and stir vigorously for 5 minutes. Let the water settle for 5 minutes. Once the water becomes clear and the flocs have settled to the bottom, filter the water through a cotton cloth. Allow the water to sit for an additional 20 minutes for the chlorine to fully disinfect.
Two main ingredients: calcium hypochlorite (a chlorine disinfectant) and ferric sulfate (an iron salt coagulant) work to coagulate particulate matter and biotic life and act as flocculation tools to remove the solvents from the water.
The product must be used within 3 years of manufacture
One packet treats 10 liters of water
The US Environmental Protection Agency (US EPA) demonstrated >99.9999% removal of pathogenic bacteria, >99.99% kill of viruses, and >99.9% removal of parasites including Giardia and Cryptosporidium.
Centers for Disease Control and Prevention (CDC), US EPA, University of Michigan
To prevent ingestion, do not open the packet with teeth. If swallowed, contact poison control center and sip on a glass of water for 15 – 20 minutes. If in eye, rinse eyes thoroughly with water for 15-20 minutes. If on skin, remove contaminated clothing and rinse skin with water for 15 – 20 minutes.
Filtering through cotton cloth assists in reduction of turbidity.
2013, P&G Purifier of Water: A Handbook for Use in Emergency Relief, Mexico Clean Water Team
Blanton, E., Ombeki, S. et al., 2010, Evaluation of the Role of School Children in the Promotion of Point-of-Use Water Treatment and Handwashing in Schools and Households-Nyanza Province, Western Kenya 2007; American Journal of Tropical Medicine and Hygiene, 82(4) pp. 664–671
Doocy, S. and Burnham, G., 2006, Point-of-use water treatment and diarrhea reduction in the emergency context: an effectiveness trial in Liberia; Tropical Medicine and International Health, Vol.11 NO IO PP 1542-1552
Allgood, G., 2009, Safe drinking water for the most vulnerable; Journal Compilation International Council of Nurses
Matts, J.P. and Ryan, J. T., 2012, Water and the skin: Skin carers collaborate with industry in the new initiative and humanitarian drive, Community Dermatology
Complies with US EPA standards for safe drinking water.
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