The Weald Aquatics Blog - Is your aquarium water at the correct temperature? - another blog post from Weald Aquatics | Aquarium & Pond Fish Shop in Kent

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Is your aquarium water at the correct temperature?

Blog post written by Gary | 18 November 2015 | Category: Aquarium and pond equipment
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As winter is nearly upon us, the room in which your aquarium is situated may get colder therefore making your aquarium heater work harder. If the temperature drops too low the fish will be more susceptible to diseases such as Whitespot or bacterial infections.   

To make sure your aquarium is kept at the correct temperature it is wise to invest in a thermometer to monitor the aquarium temperature, which should ideally be between 24c and 27c for most common tropical fish. Thermometers are available either as a stick-on unit which attaches to the glass outside of the aquarium, or a standard glass thermometer which attaches to the glass inside the aquarium. Also now available are precision digital thermometers giving greater accuracy, some of which are fitted with an alarm to let you know the temperature has dropped to a dangerous level.

It is good idea to check your heater is working correctly. This can be done by looking for the red neon indicator light which is fitted to most heaters. This will be lit when the heater is on and heating the water in the aquarium.

If you are finding the heater is struggling to keep the aquarium water within the normal tropical temperature range, you may need to increase the temperature at which the heater has been set. Most heaters have a dial which has been set to the required temperature; however as the heater becomes older the temperature can sometimes drift down, at which point the temperature dial may have to be increased  by a degree or two to compensate for the drift in temperature.

The heater should never be taken out of the aquarium unless the power to the heater has been turned off for at least 30 minutes this will allow the heater to cool down. Should the heater be taken out of the aquarium while it is still hot there is a risk the heater glass will crack damaging the heater.

 

A selection of thermometers available for tropical aquariums
A selection of thermometers available for tropical aquariums