Important: This app requires additional software and hardware before it can be used. To read more about these requirements please visit http://ffem.io or contact ffem at info@ffem.io.

ffem Soil is an open source, inexpensive, smartphone-based drinking water test kit.

Note: ffem Collect app also needs to be installed to use ffem Soil.

With ffem Soil you can test for:
• Available Boron
• Available Iron
• Available Nitrogen
• Available Phosphorous
• Available Potassium
• pH
• Phosphate
• Total Iron

Disclaimer: The user acknowledges and confirms that the tests undertaken by using the product are only screening tests and not a substitute for laboratory tests. Accordingly, the user shall not take any decision on the potability or otherwise of drinking water solely on the basis of using the product.