Products

The biosand filter offers a proven and practical method for treating water at the household level. Water is poured into the top of the filter and passes slowly through layers of specifically prepared sand and gravel. As the water moves through the filter, contaminants are removed through filtration, adsorption, and biological processes that develop naturally within the sand layer.

The filter is effective at removing harmful microorganisms, resulting in safer drinking water. It does not require electricity or complex operation, making it suitable for low-resource settings. With proper use and maintenance, the biosand filter can provide a long-term solution for improving drinking water quality.

This rapid test offers a straightforward method for detecting coliform contamination using a pre-prepared vial containing a reagent pad. To conduct the test, water is simply poured into the vial and left to develop over a 24-hour period. If contamination is present, the water will turn black, providing a clear and easy-to-interpret result without the need for specialized equipment or technical expertise.

The test is designed for field and community use, allowing for quick screening of water sources at the household or community level. It supports timely decision-making by identifying unsafe water and prompting appropriate treatment or alternative sourcing. Its simplicity makes it particularly useful in low-resource settings where laboratory testing may not be available.