The ExactBlue COLI app by ExactBlue Technologies Inc. connects with the ExactBlue Mobile Lab Platform to test water samples for E.coli or Coliform content. You can save, retrieve, and share your test results by creating an account. Along with the ExactBlue COLI app, you must have an ExactBlue Mobile Lab device and a test refill kit for the microorganism of interest. The An essential tool in your water quality management strategy, the ExactBlue testing platform provides a most probable number (MPN/mL) count of microorganisms that is comparable to lab results and easy to interpret.