Information about Thermometers & Hydrometers
Thermometers are used to monitor the correct aquarium water temperature. This is of great importance for maintaining the correct environment for your aquarium fish. Different types of fish prefer different water temperatures.
Thermometers are one of the least expensive items of aquarium equipment. Since most fish are extremely temperature sensitive, knowing your tank temperature is very important. See below for a table of some of the common kinds of fish and their approximate water temperatures.
|Type||Approx. Temp Range|
|Gold Fish||20° - 23°C|
|Betta (siamese fighting fish)||24° - 29°C|
|Tropical Fish||22° - 26°C|
|Marine Fish||22° - 26°C|
|Reef Tank||26° - 28°C|
There are different types of thermometers:
- Floating Thermometers - these can be attached to the inside of the aquarium with a suction cup.
- Stick on Digital Thermometers
- Stainless Steel Thermometers
- Digital Sensor Thermometers