Kouzin Dlo is a liquid disinfectant designed to treat drinking water.
Kouzin Dlo is a Haitian social enterprise funded by Jessica Laporte that distributes a locally manufactured chlorine product for treating drinking water across urban Haiti through a network of female micro-entrepreneurs.
This product is being implemented by Kouzin Dlo through a network of female micro-entrepreneurs.
1 USD per 8 oz bottle and 2 USD per 16 oz bottle.
Primary competitors for this product include Klorfasil and Gadyen Dlo, Aquatabs, and Water guard.
Goal 6: Clean water and sanitation
Urban household residents
The disinfectant agent of this product, sodium hypochlorite, is manufactured and bottled by La Perle S.A. in Port au Prince, Haiti. This product is also sold under the brand name of AquaJif.
This product is distributed by a network of female micro-entrepreneurs in urban communities of Haiti.
As of 2020, around 57,000 bottles have been sold; treating almost around 1,000,000 gallons of water.
Active chemical and concentration (%) of the product (not the concentration of the treated water)
Form of the chemical disinfection
Does the water flow through a treatment system or does it remain in a container?
Is the dose of the chemical administered automatically or manually?
Manufacturer-specified dosing quantity
Manufacturer-specified time until water is potable, measured in minutes
Remaining level of chemical concentration after manufacturer-specified contact time
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
How long can the treated water remain protected and safe to drink?
Manufacturer-specified maximum level of inlet turbidity (NTU)
The Kouzin Dlo is a 240 or 500 mL bottle that contains a 0.75% Sodium Hypochlorite (NaOCl) solution.
Technical support is provided by local women entrepreneurs or other Kouzin Dlo sales agents.
This product does not require any replacement components.
With 20 L/day of drinking water consumption and 6ml of product necessary to clean 20L/day, each 240 mL bottle can last for 40 (~1 month) days and each 500 mL bottle can last about 84 days(~ 3 months).
Manufacturers specify that this product is 90 times cheaper than other clean drinking water options available in communities through Haiti. The company also aims to recruit and train women micro-entrepreneurs to increase economic opportunities in low-income communities.
Hypochlorites have been widely used in disinfecting water supplies for nearly a century.
No third-party organizations, only testing performed by the manufacturer.
No known safety hazards are related to this product. However, water should be consumed (or re-treated) within 24 hours if not stored in a lidded container.
Safe storage container
Namoos, B., 2010, Water Disinfection by Sodium Hypochlorite Solution. MSc. dissertation, Universiti Sains Malaysia, Malaysia.
Sobsey, M.D et al., 2003, Chlorination and safe storage of household drinking water in developing countries to reduce waterborne disease, Water Science and Technology, 47(3), pp.221-228.
Harshfield, E et al., 2012, Evaluating the sustained health impact of household chlorination of drinking water in rural Haiti, The American journal of tropical medicine and hygiene, 87(5), 786-795.
Lantagne and Clasen, 2012, Use of Household Water Treatment and Safe Storage Methods in Acute Emergency Response: Case Study Results from Nepal, Indonesia, Kenya, and Haiti, Environmental Science & Technology, 46(20):11352-60.
Unknown for this specific product. However, the Guidelines for Drinking Water Quality lists liquid NaOCl with concentrations between 0.5% and 1% as a point-of-use water treatment method.
Sodium Hypochlorite has been used widely for centuries to disinfect drinking water.
Video about Kouzin Dlo.
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