Description
Hygger External Digital Aquarium Thermometer – Small & Large
The Hygger External Digital Aquarium Thermometer is a stylish, accurate and easy-to-use temperature monitor designed for freshwater aquariums, marine aquariums, paludariums and other suitable glass enclosures.
Featuring a modern transparent LCD display, advanced smart microchip technology and an aluminium alloy temperature sensor, this thermometer provides clear and reliable temperature readings without taking up valuable space inside your aquarium.
Unlike traditional submerged thermometers, the Hygger Digital Thermometer attaches directly to the outside of the aquarium glass using the supplied 3M adhesive tape, offering a clean, discreet and convenient way to monitor aquarium temperatures.
Available in two sizes – Small and Large, both models feature touch controls, Celsius and Fahrenheit readings, and batteries included.
Features & Benefits
-
External digital aquarium thermometer with transparent LCD display
-
Advanced smart microchip for accurate temperature monitoring
-
High-quality aluminium alloy temperature sensor
-
Temperature accuracy of ±0.5°C
-
Measures temperatures from 0°C to 60°C
-
Touch-sensitive controls for easy operation
-
Switch between Celsius and Fahrenheit
-
Attaches directly to the outside of aquarium glass
-
No submerged thermometer or trailing cables required
-
Suitable for freshwater and marine aquariums
-
Ideal for paludariums and suitable glass enclosures
-
Easy installation using supplied 3M adhesive tape
-
Batteries included
-
Available in Small and Large sizes
-
Supplied with a 2-year guarantee
Accurate Temperature Monitoring
Maintaining a stable temperature is essential for the health and wellbeing of aquarium inhabitants.
The Hygger External Digital Thermometer uses an advanced smart microchip and aluminium alloy sensor to monitor temperature through the aquarium glass, providing convenient readings without placing equipment directly into the water.
With a measuring range of 0–60°C and an accuracy of ±0.5°C, it offers a practical solution for everyday aquarium temperature monitoring.
Transparent Digital Display
The modern transparent LCD screen blends neatly into the aquarium, providing a clear temperature reading without distracting from your aquatic display.
Its sleek design makes it ideal for both traditional and contemporary aquarium setups.
The touch-sensitive SET button allows you to switch between Celsius and Fahrenheit quickly and easily.
External Mounting – No Equipment in the Water
The Hygger Digital Thermometer is designed to attach directly to the outside of the aquarium glass using the included 3M adhesive tape.
This provides several advantages:
-
No thermometer taking up space inside the aquarium
-
No submerged cables or suction cups
-
Simple installation without disturbing livestock
-
Easy access to the temperature display
-
Clean and discreet appearance
For best results, install the thermometer on a clean, dry section of aquarium glass, following the manufacturer's instructions.
Available Models
Small – RJ034 / HG073 Small
A compact digital thermometer ideal for smaller aquariums and setups where a discreet display is preferred.
-
Dimensions: 5.5 × 6cm
-
LCD Screen: 4.2cm
-
Temperature Range: 0–60°C
-
Accuracy: ±0.5°C
-
Guarantee: 2 Years
Large – RJ036 / HG073 Large
Featuring a larger display, this model is ideal for aquariums where improved visibility and easier temperature reading are preferred.
-
Dimensions: 7.3 × 6cm
-
LCD Screen: 6cm
-
Temperature Range: 0–60°C
-
Accuracy: ±0.5°C
-
Guarantee: 2 Years
Specifications
| Specification | Small – RJ034 | Large – RJ036 |
|---|---|---|
| Model | HG073 Small | HG073 Large |
| Dimensions | 5.5 × 6cm | 7.3 × 6cm |
| LCD Screen | 4.2cm | 6cm |
| Temperature Range | 0–60°C | 0–60°C |
| Accuracy | ±0.5°C | ±0.5°C |
| Temperature Units | °C / °F | °C / °F |
| Installation | External 3M Adhesive | External 3M Adhesive |
| Batteries | Included | Included |
| Guarantee | 2 Years | 2 Years |
What's Included?
-
1 × Hygger External Digital Aquarium Thermometer
-
2 × Button Batteries
-
1 × User Manual
Why Choose the Hygger External Digital Aquarium Thermometer?
The Hygger External Digital Aquarium Thermometer combines accurate temperature monitoring, modern styling and convenient external installation in one compact device.
With its transparent display, touch-sensitive controls and choice of two sizes, it offers an attractive alternative to traditional aquarium thermometers.
Perfect for keeping an eye on temperatures in freshwater aquariums, marine systems and paludariums without adding unnecessary equipment inside the enclosure.
Available in Small and Large – select your preferred size from the options above.
Please note: This thermometer measures temperature externally through the aquarium glass. Readings may be influenced by glass thickness, room temperature and installation position. It is designed for temperature monitoring and does not control aquarium heating equipment.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



