So CO2 at night is bad, right?
I thought and I took the tube and filter/diffuser out of the tank(easy to do) and secured it into a small bowl of water on the floor, so that the filter would stay in water and not dry out or something. In the morning I'll put it back in, but at what time would be the most beneficial for the plants?
Or is this going to be a waste of time? I got the time.