Juniper Grove Farm

Instructions to use a best fish tank thermometer

Being a fish keeper, you surely know that both tropical and freshwater fish will need to live and survive in the water with a certain temperature range. In order to keep your fish in the optimal temperatures, you need the best fish tank thermometer and place it in your tank.

How to use and where should you put the thermometer? The placement of the thermometer will depend on the types of thermometer that you are using.

How to use a digital aquarium thermometer?

This type of thermometer placed on the outside of the tank, you can attach it by suction cup or velcro that is included. The thermometer has a probe, putting this probe in the tank with the suction. In some cases, you can leave the probe in the tank to take a look at the temperature constantly.

The probe connected with the display by a wire, but some have a wireless connection. You can measure temperature by just one press and the result will be displayed very fast. The digital also allows you to switch between degrees F and degree C.

Furthermore, many of the best aquarium thermometers come with an alarm feature that will alert you whenever the temperature ran out of your chosen setting.

How to use a stick-on thermometer?

Step 1

Cleaning the outside of the tank by using water or aquarium glass cleaner. Then wipe the tank dry with a towel. Ensure that the tank wall is totally dry.

Step 2

Turn the thermometer over and peel the plastic on it’s back off. Then stick it outside the tank wall, under the uppermost water level.


After 15-30 minutes, checking the thermometer. There are color ranges that show the temperature on the stick-on thermometer. If it is green, the temperature is correct. Blue is the temperature at a lower lever than then target temperature. And red shows that the temperature is hotter than the target.

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