An easy-to-read digital thermometer with an LCD screen that displays temperature.
Creates accurate readings within 0.1 degrees. Equipped with a long-lasting LR44 battery. Includes suction cups to attach the unit to the outside of a tank and a probe to submerge into the water.
Reports of the battery on/off button being faulty, so the battery runs constantly.
This floating thermometer gives you an accurate reading the old-fashioned way with an easy-to-read indicator.
No electronics; it's weighted at the bottom and reads the temperature in real-time. Suction cups keep it floating in 1 place. It measures from 30-120 degrees, depending on the tank and needs.
It's fragile, so watch how you use it.
A digital touchscreen thermometer with functions to switch between Celsius and Fahrenheit.
Sticks on the outside of the aquarium glass to prevent water infiltration. Features buttons to set high- and low-temperature warnings. Easy to operate. Big number displays. Includes 2 batteries.
Not very accurate when used on acrylic aquariums.
A fast-reading, 2-in-1 digital aquarium thermometer at an affordable price.
This model sits in your aquarium and displays the water temperature and the room temperature at all times. It works in salt and freshwater tanks. No setups, great for kids who own fish.
The displayed temperature has a large margin for error.
This heater works on aquariums from 1 to 6 gallons without any complicated settings or setup.
It's an ideal heater for small tanks. You can place it vertically or horizontally, depending on your setup. Light indicators let you know the basic information.
Some had issues with tanks close to the maximum stated size.
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