A pond heater is an essential piece of kit for any pond keeper. In the winter months vegetation and waste matter build up, which can be fatal to fish and plants trapped under the ice. A pond heater can warm the whole pond - great for Koi, or simply create a 'blow hole' in the surface, allowing toxins out and oxygen in.
Swell UK carry a large range of pond heaters, suitable for a variety of ponds. From a basic surface heater to more complex, technical heaters for large ponds.
Oxygen is vital for all living things, so it's important to ensure that your pond has a good supply all year round. An in heater can be left in the pond during the summer, and simply switched on when the icy weather arrives.