Aqua Logic Cygnet Inline Electrical Heaters for ponds, aquariums and fountains AquaLogic Size:Cygnet AL-KC-0.5-115T (500-watt 115V) The flexible ball-and-socket design allows

The flexible ball-and-socket design allows you to adapt to any aquarium setup

The fountains use energy-efficient motors and quality materials for maximum durability

An optional cooling fan adds cross-flow ventilation

Whether indoors or outdoors

Aqua Logic Cygnet Inline Electrical Heaters for ponds, aquariums and fountains AquaLogic Size:Cygnet AL-KC-0.5-115T (500-watt 115V) The flexible ball-and-socket design allowsDuring the cold winter, Koi stop eating and live off their fat reserves, lowering their immune system. As the water begins to warm up, bacteria become active, and Koi can be in trouble. Keep your Koi strong all winter by heating your pond, keeping your Koi feeding consistently. In the past, heating Koi ponds has meant running gas lines or propane lines out to the pond. Now with Aqua Logic Inline Heaters, you can have pond heating wherever you have