Here is a short video clip called the "Micro Empire" of some of the microorganisms we sausagemakers battle with nitrates and nitrites. Brilliant photography with a powerful Cannon camera. These microorganisms are so small, millions swim in a single drop of water!
Click here... http://vimeo.com/39784233 When the site comes up, click on the first photo.
Wash yer' hands sausage makers!

Best Wishes,
Chuckwagon