Winterkill in Ponds and Lakes

Several customers have reported large numbers of dead fish as their ponds have opened up this season.  The long harsh winter caused a condition known as winterkill and is the most probable reason for this problem. Read the following  article from the Penn State Extension for more description and details on how this occurs.


http://extension.psu.edu/westmoreland/news/2014/winterkill-in-ponds-and-lakes