When it comes to aquarium thermometers, the submersible type was the cheapest on the market. However, battery-operated submersible ones made from plastic do exist, although much less common. Submersible thermometers are most commonly made of glass.
But in a small-sized tank, like one that many beginners keep betta in (although they shouldn’t!), even a tiny thermometer can be too big. In a larger tank, this won’t be a problem at all. The obvious downside to this is that these thermometers take up real estate in your aquarium. These thermometers are designed to be left in your aquarium, allowing you to check the temperature of your tank by peering inside – a great hands-free way to monitor the temperature of your aquarium. Submersible thermometers live under water with your fish and plants. Requires batteries or source of electricity.Probe can easily be moved to any location in your aquarium.More advanced wired probes are also capable of sounding an alarm if the temperature goes above or below your desired setting. This allows you to set the probe up permanently in your tank while the meter sits on the outside, displaying the current temperature.Īn advantage to this is that the probe can be placed anywhere in your aquarium to continuously monitor the temperature. Wired probeĪ probe is separate from the meter and attached with a cord. If you don’t, it will fall to the bottom of your aquarium. The downside? Fixed-probe thermometers must be held by hand. Dip the probe into your aquarium and in just seconds, the temperature will be shown on the digital display – similar to the pen-style thermometers that your mom uses when she checks a roast.įixed-probe thermometers are small and take up very little space, allowing them to remain hidden from view in your aquarium cabinet until the next time you need to check the temperature of your tank. Sometimes referred to as an instant-read thermometer, this thermometer is easily identified by a meter that attaches directly to the sensor probe.
There are two different types of probe thermometers: Fixed probe Simply add the probe to your tank when you need to check the temperature and remove it when you are finished. If you want a thermometer that does not permanently sit in your aquarium, this is your best choice. By keeping the probe and display separate, the important electrical bits won’t get wet. The reason for the split design? Electricity and water don’t mix. Digital display – Remains outside the water and displays the temperature of your aquarium. The probe can be moved anywhere inside the tank.Ģ.
Sensor probe – Sits underwater, in your fish tank and checks the temperature. This aquarium thermometer is made up of two different parts:ġ. And as you will soon see, some are much better than others. Typically, three different types of thermometers are commonly used for measuring the temperature inside aquariums. What are the different types of aquarium thermometers? It allows you to confirm that the water inside your tank is the right temperature for your fish. You can’t check water temperature just by looking at it. To you or me, warm or cold water looks identical. This small device is an essential piece of aquarium equipment – if you own a fish tank, then you need an aquarium thermometer. In fact, you already use thermometers on a daily basis, whether it’s adjusting the thermostat in your home, determining if your roast has cooked properly or even checking your child’s temperature.Īs you have probably guessed by now, an aquarium thermometer allows you to accurately check the temperature inside your tank. Most of you reading this will already know what a thermometer is…Ī tool that is used to measure temperature. What is an aquarium thermometer and do you need one?
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