When the fish feeder went off that evening it took about 2 minutes before any trout fed, probably because of the very low visibility with the db100 being about 6 inches. Each day the visibility improved and so did the feeding. When we left today the vis. was up to 37 inches, and when I paddled around the pond I could see minnows and trout jumping for bugs, and no sign of any dead fish, also plenty of frogs around. It didn't seem to bother the Heron as he was back every day.
