
Best selling Aquarium technology
Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
1. Eheim Heating element thermopreset50
The electronic control guarantees you an extremely high temperature accuracy, the highly efficient heating element ensures an even heat distribution.
The thermopreset rod heater differs from the thermocontrol by the additional plastic protection, which ensures high mechanical stability. As usual, both heaters are equipped with an LED light to control the heating function and with a dry-running protection.
Product advantages:
- high user-friendliness due to fixed temperature setting
- can also be used in small tanks due to the short lengths
- very slim, therefore less visible in the aquarium
- plastic protection provides mechanical stability
- high temperature accuracy due to electronic control
- even heat distribution due to highly efficient heating element
- with dry-running protection
- a control light indicates the heating function
- safe attachment with the help of the included suction cups
- Suitable for fresh and salt water
Technical data:
- Power: 50 watts
- for aquariums from 25 to 60 litres
- Fixed temperature: 25 degrees Celsius
- voltage: 230 volts
- diameter: Ø 28,20 mm
- Length: 168.50 mm.

2. Juwel Aquarium Aqua Heat Pro control heater
A heater is a must for every aquarium and helps you adjust the temperature for your fish. Our Juwel Aqua Heat control heater reliably and safely ensures the right temperature in your aquarium. Depending on the room temperature and the aquarium size, you can achieve a water temperature of approx. +28 degrees C with the JUWEL heater. Thanks to the use of high-quality contacts and heat-resistant and impact-resistant borosilicate glass (safety glass), the JUWEL control heaters meet the highest demands in function and safety and are of course TÜV/GS certified.
In the Rio, Vision, Trigon, Lido and Rekord models, the heater is invisibly placed in the filter housing and optimally integrated into the water circuit of the Bioflow filter system. This ensures an even and efficient heat distribution in your aquarium.

3. Juwel Aquarium JUWEL SmartFeed auger set

4. Eheim 1046-790 120Volt US version Full ceramic bearing
The EHEIM universal pump 1046-790 is a versatile and reliable solution for water technology in aquariums. It offers an impressive flow rate of up to 300 liters per hour and is suitable for both freshwater and saltwater. This submersible pump is characterized by its robust construction and excellent continuous operation properties, making it ideal for use in breeding facilities, zoos, and other professional applications. The pump can be operated both in and out of water, which enhances its flexibility. An integrated pre-filter protects the impeller from dirt and ensures a long lifespan. With variable connection and mounting options, the pump can be easily installed and adjusted.
- Excellent continuous operation properties for professional use
- Integrated pre-filter protects the impeller and extends lifespan
- Hermetically sealed motor housing for maximum safety
- Variable mounting options with the included mounting plate
- Suitable for use in freshwater and saltwater.

5. Juwel Aquarium JUWEL feeding bowl for EasyFeed automatic feeder

Juwel Aquarium JUWEL feeding bowl for EasyFeed automatic feeder
Automatic feeder Digital
6. Eheim Aquarium regulator heater
WLAN aquarium heater for control via smartphone, the jacket made of special laboratory glass enlarges the heating surface, serves as a heat shield and ensures even heat emission.Precisely adjustable from 18 to 32 °C, control accuracy ± 0.2°C, automatic synchronisation with filter and lighting possible, e-mail notifications in case of temperature deviations.

7. JBL Aquaristik und Terraristik PH Sensor Set
The pH electrode must be purchased separately (not included in the set). It regulates the CO2 addition for optimal plant growth in the aquarium and the ideal pH level for aquarium fish. The temperature sensor, transformer, and pH electrode (not included) need to be connected and linked to the solenoid valve. The desired pH level can be entered manually or the automatic program can be used. The touch display allows for easy operation through the menu. For automatic regulation of CO2 addition, the carbonate hardness (KH) must be measured and entered. The program calculates the ideal pH level based on KH and the current pH level, adding CO2 until the desired pH is reached. It also displays the water temperature.
Included in the package: CO2 control unit with touch display, wall mount, power supply, temperature sensor with suction holder, connection cable to the solenoid valve, and cuvette holder for calibration liquids.

8. Juwel Aquarium Pump Eccoflow SeaSkim
The Eccoflow SeaSkim Pump from Juwel Aquarium is a powerful submersible pump specifically designed for use in aquariums. With a flow rate of 150 liters per hour, it is ideal for aquariums with a volume of up to 150 liters. This pump is designed for freshwater applications and provides a reliable solution to support skimmers, particularly the SeaSkim 3.0. Made in Italy, the Eccoflow SeaSkim Pump combines quality and functionality to ensure optimal water circulation and filtration in your aquarium. Its compact design allows for easy installation and integration into existing aquarium setups.
- Suitable for aquariums up to 150 liters
- Optimal support for Skimmer 3.0
- Made in Italy for high quality.

9. JBL Aquaristik und Terraristik Thermometer
Digital aquarium glass thermometer with alarm function, measuring water temperatures from 0 to 37 °C in 0.1 °C steps. It can be attached to the outside of the glass and should not be immersed in water. The thermometer can be easily removed using a Velcro sticker, and features an easy-to-read digit height of 1.8 cm.

10. Eheim Clear UVC 11
The Clear UVC 11 UV clarifier from Eheim is a highly developed solution for improving the water quality in aquariums. This device utilises ultraviolet light to effectively kill harmful microorganisms, ensuring clear and healthy water. The clarifier is not only efficient but also energy-saving, making it a sustainable choice for aquarium enthusiasts. Equipped with a high-quality UVC lamp, the Clear UVC 11 offers a long service life and is suitable for continuous operation. The outer container is made of impact-resistant and UV-resistant all-weather plastic, which emphasises the durability and robustness of the device. These features make the Clear UVC 11 a reliable choice for aquarium maintenance.
- Energy-saving operation with only 14 watts of input power
- High-quality UVC lamp with a long service life
- Robust outer container made of impact-resistant, UV-resistant plastic.
