Monthly update Feb01/16
1. pH: 7.4
2. Ammonia (NH3): 0.0
3. Nitrite (NO2): 0.25
4. Nitrate (NO3): 40+
5. Phosphate (PO4): 2.0
First monthly report! For some reason Nitrites spiked a little. I added 2 capsful of Prime to neutralize that. Phosphate is down over the month from 10 at the beginning of Jan. So that's a good sign. I expect it will go to zero before the end of the month. Algae has regrown nicely throughout the tube since I restarted the airflow. It's very thick again.
Jan30: I started a single 'large' pouch of Algone in a small, hang-on overflow type filter. This stuff is supposed to reduce nitrates. From my experience so far, I don't expect the algae scrubber alone to bring down nitrates within a reasonable timeframe (months rather than years). So I'll see if the Algone helps.