Flow cooler in the aquarium

Kühlung im Aquarium
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Each of us is happy when summer is just around the corner, the sun is shining and the temperatures are rising. But especially for the creatures in the aquarium the heat can have negative consequences.

Cooling in the aquarium

Increased water temperatures can have a bad effect on the creatures in the aquarium. Although some fish can survive with higher temperatures for a while, the real problem is that not enough oxygen gets into the tank, because warm water can absorb less oxygen than cool water. In addition, the lighting in the aquarium also contributes to additional heating.

Flow cooler

This is where the continuous flow cooler comes into play, as it can cool the entire aquarium evenly to the desired temperature even when the heat is persistent. Here the water is led through an external circuit through an air conditioning system and cooled by a cooling unit. In contrast, fans and ventilators are too loud and can often only lower the water temperature by about 2 degrees. However, the continuous cooler creates a greater cooling capacity and automatically switches on at a certain, set temperature or switches off again when the temperature falls below the desired temperature so that it does not become too cool.

What to pay attention to

The unit only needs to be connected to a flow pump. A suitable hose is required for connection, but many manufacturers supply reducers for different hose diameters, so you don’t have to worry about whether the external filter will fit the radiator. It is also advisable to place it behind the external filter to prevent dirt and blockages.

When the filter outlet is connected to the continuous flow cooler, the water is thus drawn in by the external filter and filtered through it, so that freshly filtered and cool water is fed directly from the cooler into the aquarium. However, you still have to pay attention to the power consumption, because in the warm months a 100 watt unit can cost as much as 80 to 90 euros, which is reasonable, since the cooling is switched off at the desired temperature and only the pump consumes electricity. Nevertheless, there are some points that should be considered in order to save a few euros:

  • the ambient temperature of the aquarium
  • additional sunlight
  • Unit capacity in relation to the basin size
  • Isolation of the aquarium

Other cooling options

There are of course other ways to cool the aquarium:

  • Removing or opening the cover of the aquarium
  • Cooling of the light box
  • Suspended lamps hang higher
  • Cooling with a fan

As an immediate measure you can change the water in the aquarium with a little cool water, but not too much or too cold water, so that a shock of the inhabitants in the aquarium or even an early death is prevented. Another possibility to lower the water temperature is to use ice cubes or cooling packs in small tanks.

As you can see, there are alternatives to cooling the aquarium, but a continuous flow cooler is the most effective and efficient solution, especially for larger tanks. This means that the inhabitants of the aquarium can also survive the summer heat very well.

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