Agriculture
January 17, 2024
Compartment Bag Test (CBT) Kit
Read SolutionImplemented by
Aquagenx
Updated on January 17, 2024
·Created on November 2, 2015
mWater Field Test Kit is a water testing kit designed to detect E.coli, coliform bacteria, nitrate/nitrite, and chlorine residual.
mWater Test Kit is a single-use water quality test kit designed to detect E. coli, coliform bacteria, nitrate/nitrite, and chlorine residual without the need for a power supply. The kit is manufactured and distributed by mWater. It is designed for community health workers, NGO’s, and people who do not have access to laboratories or incubators.
Target SDGs
SDG 6: Clean Water and Sanitation
SDG 3: Good Health and Well-Being
Market Suggested Retail Price
$200.00
Target Users (Target Impact Group)
Public Sector Agencies, NGOs
Distributors / Implementing Organizations
This product has been implemented by several humanitarian organizations like USAID DIV, The World Bank Innovation Fund, Water.org, WaterAid International, WaterAid Australia, Millennium Water Alliance, The Water Trust, charity: water, The Water Project, Riverkeeper, Earth Echo, Safe Water Network, UNC Water Institute, Ugandan Water Project, Water4.org, Drink Local Drink Tap, Wine to Water, Haiti Outreach, UNICEF, WHO, Water4, MSF, GAIN, and UN-HABITAT.
Competitive Landscape
Direct competitors include 3M™ Petrifilm™ Aqua Coliform Count Plates.
Regions
Worldwide
Manufacturing/Building Method
Unknown
Intellectural Property Type
Trade Secret
User Provision Model
This product is available for purchase from mWater and also through partner humanitarian organizations .
Distributions to Date Status
As of 2020, this product had over +40,000 active users (including NGOs, government, and researchers).
Test types included
E. coli, coliform bacteria, nitrate/nitrite, chlorine residual
Equipment included
Bags, petri dishes, color comparison charts
Tests per kit
20 tests per kit
Detection range
Nitrate: 0 – 50 ppm; nitrite 0 – 10 ppm; chlorine residual 0 – 5 ppm; E. coli: absent or present
Processing time for one sample (hr)
24 hours for E.Coli and Total Coliform
60 seconds for Nitrate and Nitrite
25 seconds for residual Chlorine
Additional materials required
Safety equipment
Power required (yes/no)
No
Complete kit weight (kg)
Unknown
Design Specifications
mWater test kits are simple and portable water testing kits utilized for testing a variety of water parameters such as E. coli 1 mL and 100 mL, coliform bacteria, nitrate/nitrite, and residual chlorine. The tests are designed to be easily used and operated, without the need for a full-fledged laboratory and just at room temperature. All the materials in the test kit are pre-sterilized and are discarded after one-time use.
Overall the Kit contains a whirl pak- standup bag with a HiMedia Ecoli reagent, Nissui compact dry EC plate with a gel reagent, and ITS waterworks test strips. For the bacterial confirmation test, users can either use the stand-up bag or the dry EC plate to detect the presence or absence of E.Coli. Similarly, ITS waterworks test strips are used for detection of Nitrate up to (0-50 mg/L), Nitrite up to (0-10 mg/L), and residual chlorine up to (0-5 mg/L). The results are calculated within a few seconds for Nitrate, Nitrite, and residual chlorine i.e. after 60 and 25 seconds. Whereas for the bacterial tests, results are obtained after 24 hours.
Detailed instructions are available on the company’s website.
Technical Support
Manual and guides are provided by the manufacturer.
Replacement Components
None
Lifecycle
Single-use product (disposal guidance unknown)
Manufacturer Specified Performance Parameters
This water test kit was designed to be used without the need for any laboratory or extra equipment like an incubator. Moreover, it was designed in a way that anyone without prior knowledge of water testing could also use it.
Vetted Performance Status
Since 2014, mWater services have been used by WaterAid, with more than 1,700 users and an increasing number of partners adopting it independently. Some examples of mWater’s use through WaterAid programs are Rwanda school baseline, Mozambique Post Implementation Monitoring Surveys, and Bugesera district water services monitoring.
Safety
Unknown
Complementary Technical Systems
Users can use the mWater mobile app as a complementary system for this product to map water sources.
Academic Research and References
“ABOUT —,” mWater. Available: https://www.mwater.co/about
Goal 6. (n.d.). Sdgs.un.org. Available: https://sdgs.un.org/goals/goal6
“mWater Portal,” Mwater.co. Available: https://portal.mwater.co/#/
“mWater Portal,” Mwater.co. Available: https://portal.mwater.co/#/dashboards/b5a55724ff12466f82c0572d3cdc3103
“How can online data platforms improve management of water, sanitation and hygiene services? WaterAid’s experience using mWater,” Wateraid.org. Available: https://washmatters.wateraid.org/blog/how-can-online-data-platforms-improve-management-of-water-sanitation-and-hygiene-services
“mWater Portal,” Mwater.co. Available: https://portal.mwater.co/#/consoles/2261470928e64cbfb0148594cbe8c089?share=a60f1ebd316947d89634e311c0a9402e&tab=8a506919-72a9-40a8-a23b-dc5b1889def2
“mWater Portal,” Mwater.co. Available: https://portal.mwater.co/#/dashboards/b73c78b7c73348f7aa999d82381f918f?share=2cba6680a67a4c22a895e3da643d4401
“mWater Portal,” Mwater.co. Available: https://portal.mwater.co/#/dashboards/14a4605e9a4d4bbfbd3d805bf48c0cd5?share=a065731916f14cd1a04717d21b59e908
“mWater Surveyor App,” Engineering For Change, 27-Aug-2015. Available: https://www.engineeringforchange.org/solutions/product/mwater-explorer-mobile-app/
“Guidelines for drinking-water quality: Fourth edition incorporating the first and second addenda,” Who.int, 21-Mar-2022. Available: https://www.who.int/publications/i/item/9789240045064
Compliance with regulations
The kit’s testing levels comply with World Health Organization guidelines for safe drinking water.
Evaluation methods
User testing with surveys.
Other Information
Video of the company.
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