Updated on January 3, 2024


Created on September 27, 2018

MSR SE200 Community Chlorine Maker

MSR SE200 Community Chlorine Maker is a portable chlorine generating device which is used for disinfecting water.

Tested By
  • Antenna Technologies
  • Mercy Corps
  • World Vision
Content Partners


Product Description

MSR SE220 Community Chlorine Maker is a device that can generate up to 200 litres of chlorine solution in just 5 mins with the help of only salt, water, and electricity. The product is commercially available and is manufactured by Seattle-based outdoor company Mountain Safety Research(MSR) and PATH, a global health NGO remote for the functioning. The portable disinfection unit is effective in pathogen removal (bacteria, virus, protozoa).

Target SDGs

SDG 6: Clean Water and Sanitation

SDG 3: Good Health and Well-Being

Market Suggested Retail Price


Target Users (Target Impact Group)

Household, Community, Public Sector Agencies, NGOs

Distributors / Implementing Organizations

This product is implemented by Mountain Safety Research (MSR) and other implementing partners such as World Vision, Mercy Crops, Antenna technologies, and Operation Blessing.

Manufacturing/Building Method

The product is commercially manufactured in the US  by Cascade Designs Inc., but some parts are imported.

Intellectural Property Type


User Provision Model

The product can be purchased directly through MSR or through a few eCommerce markets like amazon and REI Co-Op.

Distributions to Date Status

As of October 2017, 1500 devices sold or distributed globally.

Active Chemical and concentration (%)

Chlorine 0.8%



Dosing method: Batch or flow-through


Dosing method: Automatic or manual


Dosing quantity


Contact time (min)

5 min

Target free disinfectant residual (mg/L)


Bacteria reduction

Effective against bacteria removal

Virus reduction

Effective against Virus removal

Protozoa reduction

Effective against Protozoa removal

Heavy metals and/or arsenic reduction

No reduction

Treatment lifespan (days)

24 hours

Maximum recommended influent turbidity level (NTU)

Not applicable

Design Specifications

This product works on Electrochlorination technology. Users mix salt brine, add it to the chlorine maker and push the start button. Indicator lights and sounds signal a successful completion or troubleshooting. The product requires a 12-V battery. Accessories– Chlorine Residual Test Strips, Chlorine Maker Power Supply Kit, Chlorine Maker 12V Auto Adaptor

Product Schematics

Technical Support

Instruction Manual provided by MSR.

Replacement Components

Replaceable components include the Salt, Chlorine Residual Test Strips, Sample Bottle, Chlorine Maker Power Supply Kit, and Chlorine Maker 12V Auto Adaptor.


The product comes with a limited warranty but can run for a lifetime of 5+ years.

Manufacturer Specified Performance Parameters

Designer specified performance targets include lightweight, durable, portable, and locally available.

Vetted Performance Status

Validated by end-users in over a dozen low-resource settings, including communities in Kenya, Mali, Tanzania, Zimbabwe, and Thailand.


Users must have caution when working with electricity near water.

Complementary Technical Systems

Safe water storage units and water filtration units.

Academic Research and References

Credit, P.A.T.H., 2015, Water treatment made easy

“Water Treatment Systems,” Msrgear.com. Available: https://www.msrgear.com/ie/products/water-treatment

“Reliable Backpacking Water Filters & Purifiers,” Msrgear.com. Available: https://www.msrgear.com/ie/water-treatment/filters-and-purifiers

Path.org. Available: https://media.path.org/documents/TS_swp_smart_electro.pdf

“Goal 6,” Sdgs.un.org. Available: https://sdgs.un.org/goals/goal6

“Water Treatment Systems,” Msrgear.com. Available: https://www.msrgear.com/ie/products/water-treatment

MSR SE200 Community Chlorine Maker.  Available: https://www.amazon.com/MSR-Chlorine-Global-Emergency-Treatment/dp/B0798WMJ9D

“MSR Replacement Water Filters,” REI. Available: https://www.rei.com/b/msr/c/replacement-water-filters

“Commercial launch of the MSR SE200 Community Chlorine Maker Providing safe water for communities in low-resource settings,” Path.org. Available: https://media.path.org/documents/DT_SE200_commercial-launch_fs.pdf

“Product schematics,” Msrgear.com. Available: https://www.msrgear.com/global-health/se-200-accessories

Pour into chlorine storage bottle,” Cloudfront.net. Available: https://d1l67pfsx3wblg.cloudfront.net/pdf/34-055+SE200+Instr+EN.pdf

“Testing organizations,” Path.org, 2015. Available: https://media.path.org/documents/TS_update_se200_2015.pdf?_gl=1*uqisst*_gcl_au*MTI5NDQ5MzY2MS4xNjk4MTc1Mzk2*_ga*MTg1NTYwMzkxLjE2OTgxNzUzOTc.*_ga_YBSE7ZKDQM*MTY5ODE3NTM5Ny4xLjEuMTY5ODE3NTQyOS4yOC4wLjA

Water treatment made easy, https://www.proquest.com/openview/2800387645ffb5171bdd855dac7e2338/1?pq-origsite=gscholar&cbl=25518

Commercial launch of the MSR SE200 Community Chlorine Maker Providing safe water for communities in low-resource settings,” Path.org. Available: https://media.path.org/documents/DT_SE200_commercial-launch_fs.pdf

“MSR SE200 TM community chlorine maker health need,” Path.org, 2015. Available: https://media.path.org/documents/TS_update_se200_2015.pdf

Compliance with regulations


Evaluation methods

30 households were selected for testing in Kenya in 2010. A study was conducted on them determining the water behavior, norms, and water quality of the water. Water quality was analyzed before and after adding chlorine from MSR SE200.

Other Information

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