Quote:
|
Originally Posted by Samw
What I can do is measure the oxygen levels of the air in my room in the morning after I wake up and see how far off it is from 100%. If the measurement taken before I sleep and after I wake up are nearly the same, then we can conclude that the CO2 from me being in the room all night is not significant.
|
Sam,
I also noticed a consistently low pH in your results. Over the winter, we, too, had consistently low pH in our tanks. Did an experiment: once in the room where our tanks are, then once outside on our balcony:
- took a glass of NSW from the holding container, measured pH with a pH probe for 20 sec (or so, this was months ago now)
- left the pH probe in the glass, then added an airline with the pump on full. Measured pH after 15 minutes.
Results were that there was little change in pH in the room where the tanks were, something like .05. Outside, however, the pH change was huge, around 2.80
From then on, we always had a window or two cracked open just a bit, even on the most bitter of cold Alberta days and nights. We also added a fan to our hallway to circulate the fresh air. pH rose in our tanks, and our house felt less stuffy and fresher. At the time, I thought if I notice the difference in the air, the fish and corals must as well.