API 20E Part 2: Reading and Resulting

After your API20E has incubated overnight, it's time to add reagents, read your reactions, and calculate your results.

[@chikaudechu4465]

What she is not saying out is the negative and positive signs she's writing down on the sheet. How do we know? Line 1 is negative. It's frustrating that she's not teaching how to know what to write. Yellow is positive and?

[@dianntrotman4934]

Here is a link that shows all positive and all negative reactions for the API20E. microbiologyinfo.com/api-20e-test/