If the ice came off your pond and you saw unsightly algae, you are not alone. The WLPR staff has encountered many ponds with rings of cold water algae surrounding ponds. Fish kill common following this winter All Articles, Winter Care Floating fish in your pond? Pond Winter Care All Articles, Pond Aeration, Pond Care, Winter Care Winter Prep for Compressor Maintenance All Articles, Pond Care, Pond Management, Winter Care