What Does The Appearance Of Pink Or Blue Color In A Thioglycollate Tube Mean?

What Does The Appearance Of Pink Or Blue Color In A Thioglycollate Tube Mean? Yes, because aerobic bacteria may be able to use fermentation or anaerobic respiration. What does the appearance of a blue or pink color in a thioglycolate tube mean? … The free sulfur will tie up atmospheric oxygen, leaving the bottom of