Today after the test we checked on our mesclun. we noticed definite growth since only 2 days before during our last class period. The edge which was slightly discolored has green up and looks a lot healthier now. It seems like centering it under the light helped solve this problem. When we checked pH, it was around 5.o, which is not what we want. We adjusted it to be about 6.5. We are still having trouble maintaining a constant pH level, but our plant is doing great nonetheless. I believe that lowering the lamp has also helped our plants because the leaves grew about a half inch in only 2 days which is as fast as they have grown throughout any specific time in this semester. When I looked down into the rockwool, I noticed that new sprouts are still coming up. It is good to see that new growth is still occuring. I may consider trimming back some of the larger leaves to encourage even more new growth. Up to this point, Kevin and I are very happy with the success of our water culture system.
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