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- Fix the clogging problem in the sand filter
- Dissolved oxygen concentration increases from one point in the system to the next, instead of decreasing. This means that the sand filter is not working properly, and the bubble collector may not be, either.
- The aerator is very inefficient. Dissolved oxygen concentration in the water is about 60% of its maximum.
Goals for upcoming week
- Search literature for ideas, including solutions to the current problems with the experimental apparatus
- Start experiments
- Collect good data
Comments
- We may have to reconsider several parts of the experimental set-up. Things obviously are not working as they should be.