No, I have not run the aerator in probably at least 6 weeks or longer. We had a wet spring but no rain lately, in fact, it's really getting dry around here.
One other thing that I have thought of though. I built the little pier about 4 years ago. I built it so that it is out of the water about 1" or so when the level is normal. With the water valve staying open, the water is above the bottom of the 2 x 6 skirting by about an inch maybe. This is treated lumber. Could the fact that the treated lumber was partially submerged have caused some leaching out of the chemicals in the lumber that would have killed the catfish? If so, why has it not, yet anyway, killed the sunfish, minnows and blue gill?
