Less confusing than other test kits that require students to distinguish different bacterial colonies on a Petri dish, this test features a distinct color change that will tell with certainty if fecal coliforms are present.
- Students Determine the Presence or Absence of Harmful Bacteria
- Simple to Use and Interpret
- Instructions Included
- Material for 25 Tests
- Qualitative Coliform Test Yields Results within 24 Hours
The marked color change determined by E. coli presence occurs overnight in a lactose broth.
It includes materials for 25 tests and instructions.