This heater offers the possibility to use the filter equipment also during the winter season. The advantages of this are evident: clear water also in winter, a stable biological balance and no recoil in early spring, whereas during a period of frost, the pond will locally remain frost-free.
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Supply of oxygen
During a period of frost, the pond will locally be kept frost-free, irrespective of its size or water capacity. Consequently the pond will continuously be supplied with oxygen.
Harmful gases will disappear
Harmful gases can escape from the pond water through the ice-free hole.
Development of micro-organisms
During the winter period the water will remain a fraction warmer than it would be normally. This will stimulate the development of micro-organisms.