Description
This article is from the Beginning
Fishkeeping FAQ, by Thomas Narten with numerous contributions
by others.
08 Equipment: Thermometers
You will need a thermometer to verify that your tank stays at its
proper temperature. Two types are commonly available. The traditional
bulb thermometer works the same way as the ones you can buy for your
house. They either hang from the top edge of your tank, or float along
the surface. The second common design is a flat model that sticks to
the outside of the glass. In this design, liquid crystals activate at
a specific temperature, either highlighting the numerical temperature
or a bar that slides along a scale.
Aquarium thermometers can be rather unreliable (check out the ones on
display at a fish store --- they should all register the same
temperature, but frequently don't). Thus, thermometers are good for
verifying that your temperature is not too far off, but may be off by
several degrees in some cases. When buying a thermometer, look at all
the thermometers and pick one that has an ``average'' temperature,
rather than one of the extremes.
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aquaria, fish, acquarium, tank, fishkeeping
