VD-33.→ Testing for E.coli in the field.

👁️‍🗨️ Source : EAWAG©-EPFL© — > 33-Testing for E.coli in the field.

🎦   **[<https://youtu.be/0v9-DAifXyo>](<https://youtu.be/0v9-DAifXyo?feature=shared>)**