This week I worked on my experimental set up. Over the weekend the algae had grown very well, and appeared to be maintaining a constant o2 level. This I likely a point of equilibrium between photosynthetic algae and other organisms that rely on cellular respiration. What I needed to do next was create a way to test 02 volumes between my control and treatment during both night and day. I have tested the setup I created and it appears to be functional. Next step is to run the actual tests this upcoming week.