Replacement bulb for UV-C water clarifiers. Key Features: • Achieve crystal-clear and healthy water: This UV-C water clarifier effectively and swiftly removes green and white cloudiness in your aquarium. • Maintains water values: There is no alteration to water parameters, and it does not impact beneficial cleansing bacteria. • Germ-fighting UVC radiation at 255nm, which helps lower the risk of infections. • Important: Always handle UV-C lamps with care, avoiding direct contact with your fingers, as this can shorten their lifespan.

10W Plastic Heater. Features integrated thermal resistance. Durable reinforced plastic housing. Robust suction cup holder. 220-240V/50Hz with a 1.5M 2P cord.

Compact 18 W UV-C Water Clarifier for Eliminating Water Cloudiness Key Features • Achieve crystal-clear and healthy water: This 18 W UV-C water clarifier effectively and swiftly removes green and white cloudiness in both freshwater and marine aquariums, as well as garden ponds. • Space-efficient design: Easily connects to an external filter or a separate pump. The inlet and outlet are thoughtfully positioned for convenience. Minimum installation length: 42 cm. • Germ-destroying UVC radiation that lowers infection risks, maintains water quality, and does not impact the beneficial bacteria in your filter. • TÜV certified with a safety switch: The UV-C bulb automatically turns off when the device is opened. Features a robust, UV-resistant housing and a dual glass cylinder construction. • Package includes: complete UV-C unit, 5 m power cable, 18 W UV-C bulb, socket: 2G11, wall mounting hardware, V2A screws, and nozzle hose connections for hoses ranging from 12 to 40 mm. Warranty: 2 years (+ an additional 2 years with product registration).  

Heater designed for aquariums, featuring a 150W safety heater-stat complete with a protective basket. Key Features: • Ideal heating solution for aquariums ranging from 90-200L (80-100cm in length). • Simple installation: place the heater inside the protective basket, set your desired temperature using the dial, submerge it in the aquarium, and secure it with suction cups to the aquarium's inner wall. • Accurate temperature control: the dial allows for a temperature range of 20-34°C, with an accuracy of +/-0.5°C. Excellent heat distribution is provided by the star-shaped ceramic heating element. • TÜV certified, waterproof up to 100cm, made with durable safety quartz glass and a protective basket. Features an automatic shut-off when the water level is too low.

Heater designed for aquariums, featuring a 50W safety heater-stat equipped with a protective basket. Key Features: • Provides heating for optimal temperatures in aquariums with a capacity of 30-80L (40-80cm in length). • Simple installation: place the heater into the protective basket, set your desired temperature on the dial, submerge it in the aquarium, and secure it with suction cups to the aquarium's interior wall. • Accurate temperature control: the dial allows for a temperature range of 20-34°C, with an accuracy of +/-0.5°C. Excellent heat distribution thanks to a star-shaped heating element made of ceramic. • TÜV certified, waterproof up to 100cm, constructed from shatterproof quartz safety glass with a protective screen. Features dry-running protection to prevent electrical mishaps.

Heater designed for aquariums, featuring a 100W safety heater-stat with a protective basket. Key Features: • Provides heating for maintaining the ideal temperature in aquariums ranging from 50 to 160 liters (60-100cm in length). • Simple installation: place the heater into the protective basket, set your desired temperature using the dial, submerge it in the aquarium, and secure it with suction cups to the aquarium's interior. • Accurate temperature control: the dial offers a temperature range from 20-34°C, with a precision of +/-0.5°C. Exceptional heat transfer is achieved through the star-shaped ceramic heating element. • TÜV certified, waterproof up to 100cm, constructed from shatterproof quartz safety glass with a protective screen. Features dry-running protection to prevent electrical mishaps.

Ensure crystal-clear and healthy water: The 36 W UV-C water clarifier effectively removes green and white cloudiness in both freshwater and marine aquariums, as well as garden ponds. Compact design: Easily connects to an external filter or a separate pump. The inlet and outlet are conveniently positioned for user-friendly operation. Minimum installation length: 61 cm. Provides partial sterilization for aquariums up to 3000 liters (using a pump with a maximum flow of 1000 l/h) and ponds up to 15,000 liters (with a pump maxing out at 4000 l/h), effective against floating algae in aquariums up to 800 liters (pump max. 1000 l/h) and ponds up to 8000 liters (pump max. 4000 l/h). TÜV certified with a safety switch: The UV-C bulb will automatically turn off when the device is opened. Built with a durable, UV-resistant casing and a dual glass-cylinder design. Included in the package: complete UV-C unit, 5 m power cable, 36 W UV-C bulb, socket type 2G11, wall mounting hardware, V2A screws, and nozzle hose connections suitable for 12 - 40 mm hoses.

Crystal-clear and healthy water: 11 W UV-C clarifier designed for the rapid and effective removal of green and white cloudiness in both freshwater and marine aquariums. Space-efficient setup: easily connects to an external filter. Inlet and outlet are strategically placed for convenience. Minimum installation length: 42 cm. Germ-eradicating UVC radiation that lowers the chance of infection, with no alteration to water quality and no impact on the beneficial bacteria in your filter. TÜV certified with a safety switch: the UV-C bulb automatically turns off when the unit is opened. Durable, UV-resistant housing with a dual glass-cylinder design. Included in the package: complete UV-C unit, 2 m power cable, 11 W UV-C bulb, G23 socket, wall mounting hardware, screws, and nozzle hose fittings for 16-19 mm hoses. Warranty: 2 years (+ an additional 2 years upon product registration)

P Series heaters are designed to keep a steady temperature range of 24-26° C (76-78° F) in both freshwater and saltwater nano aquariums. Durable shatter-resistant polymer build safeguards your tank and its residents from harm. The preset temperature means no need for manual adjustments. Waterproof and fully submersible, this heater can be conveniently placed inside your aquarium. An LED indicator lamp lights up to show when the heater is operational. Suitable for use in both freshwater and saltwater aquariums.

The E-Series stands out as the sole digital heater collection available that features innovative dual-sensor VueTech® microprocessor technology, which consistently shows the precise water temperature and visually notifies users of any changes. This 100-Watt heater is suitable for aquariums up to 30 US Gal / 120 L It presents the water temperature digitally in both Celsius and Fahrenheit With precision temperature regulation, adjustments can be made in increments (+ or -) of 0.5 degrees - the VueTech® system will alter display colors if the set temperature deviates by +/- 1°C or +/- 2°F (blue = low, green = safe zone, red = high) The built-in fish guard offers additional safety Featuring a slim mounting bracket, it is compatible with both freshwater and saltwater aquariums.

The E-Series stands out as the sole digital heater line available that features innovative dual-sensor VueTech® microprocessor technology. This ensures it consistently shows the precise water temperature and provides a visual alert for any changes. This 300-Watt heater is suitable for aquariums with a capacity of up to 100 US Gal / 378.5 L. It digitally displays the water temperature in either Celsius or Fahrenheit. With its precision temperature control, you can adjust the temperature in increments of 0.5 degrees (+ or -). The VueTech® system changes the display colors if the set temperature deviates by +/- 1°C or +/- 2°F (blue indicates low, green signifies a safe range, and red alerts to high temperatures). An integrated fish guard offers extra protection for your aquatic friends. The slim mounting bracket is designed for compatibility with both freshwater and saltwater aquariums.

The E-Series stands out as the only digital heater collection available that features dual-sensor VueTech® microprocessor technology, ensuring precise water temperature readings while providing visual alerts for any changes. This 200-Watt heater is suitable for aquariums up to 65 US Gal / 250 L It shows water temperature digitally in both Celsius and Fahrenheit With precision temperature control, you can adjust in increments of 0.5 degrees (+ or -) The VueTech® system will alter the display colors if the set temperature fluctuates by +/- 1°C or +/- 2°F (blue indicates low, green represents the safe zone, red signals high) An integrated fish guard offers additional safety Slim mounting bracket designed for use in both freshwater and saltwater aquariums

Compact 5 W UV-C water clarifier designed to tackle water cloudiness. Achieve crystal-clear and healthy water with the fast and effective removal of green and white murkiness.

Introducing the EHEIM thermocontrol+ e, the innovative aquarium heater of tomorrow. Smartly designed and exceptionally functional.The EHEIM thermocontrol+ e is our pioneering adjustable heater that features digital control via WLAN. You can easily set the exact temperature between 18 and 32 °C using your smartphone, tablet, or PC/MAC. The chosen temperature is measured electronically for precision and maintained consistently. If the temperature strays by ± 2 °C, you'll receive an immediate notification via email. It also allows for automatic synchronization with filter activity or lighting, enabling a wireless connection to the EHEIM professionel 5e Filter or LEDcontrol+.The design of the thermocontrol+ e is based on our well-established thermocontrol heaters. With a special laboratory glass cover, impeccable craftsmanship, premium materials, and outstanding reliability, this heater represents the pinnacle of aquarium heating technology. Each heater comes with a 3-year warranty and is available in four sizes, making it suitable for aquariums ranging from 200 to 1000 liters.Benefits of the EHEIM thermocontrol+ eElectronic aquarium heater featuring built-in WLAN connectivity and digital control via smartphone, tablet, or PC/MAC.Accurate temperature settings from 18 to 32 °CControl precision of ± 0.5 °CIndicator lights displaying heating function and operational statusEmail notifications sent when the temperature deviates by ± 2 °CSmart integration with other EHEIM.digital family devices (synchronization options include temperature control, water flow adjustments, or lowering the temperature at night)External thermometer adjustments possible (expert mode)Waterproof (IPX8) - to ensure optimal wifi signal, the heater should be submerged only up to the marked lineDry-run protection (Thermo Safety Control)Convenient cable length of about 170 cmDouble suction holder includedAvailable in 4 sizes for aquariums ranging from 200 to 1000 litersSuitable for both freshwater and marine environmentsExceptional safety and reliability with a 3-year guarantee.The intelligent aquarium heater with built-in WLAN functionality and digital control via smartphone, tablet, or PC/MAC.Adjustment and ControlThe EHEIM thermocontrol+ e aquarium heater is an enhanced version of the thermocontrol e heater. Unlike its predecessor, this model is programmed and monitored wirelessly through WLAN using a smartphone, tablet, or PC/MAC.The temperature can be accurately set between 18 and 32 °C. If the temperature deviates by +/-2 degrees, you will receive an email alert, assuming you have provided an email address.Synchronization with Other DevicesA standout feature is the ability of the thermocontrol+ e to synchronize with other devices in the EHEIM Digital Family, such as the EHEIM professionel 5e filter or LED lighting control. This allows you to program the temperature to rise or fall based on changes in filter flow (in bio mode) or lighting status.For example: If the filter flow increases at night and the lighting is turned off, the temperature can automatically adjust: 25 °C during the day; 23 °C at night. (Note: The heater does not cool the water; it does not have an integrated cooling function).WLAN ConnectionThe thermocontrol+ e is fully submersible and waterproof. For optimal WLAN connectivity, ensure that the heater is only immersed to the "water level" mark.For your device's security, every EHEIM thermocontrol+ e comes pre-encrypted (the password can be changed). Once you've set your desired temperature, you can turn off the wifi network.Diameter Ø:32 mmHeight:327 mmPower at 50 Hz:150 WattMax. temperature:32Saltwater Compatible:YesMin. temperature:18Freshwater Compatible:YesPacking:6 Part(s)WiFi Capability:YesFor aquariums up to approximately:300 LitersFor aquariums of roughly:200 LitersManufacturer Warranty:3 Year(s)

Introducing the KW Zone Dolphin Spiral Core Heater 25W, the perfect solution for maintaining a warm and comfortable environment for your aquatic pets. This high-quality heater is designed to provide a consistent temperature in your aquarium, ensuring the well-being of your fish and plants. Powerful 25W Output: Efficiently heats up your aquarium water to create a stable habitat. Spiral Core Technology: Ensures even heat distribution for optimal temperature control. Compact Design: Space-saving and discreet, easily fits into your aquarium setup. Keep your aquatic environment cozy and safe with the KW Zone Dolphin Spiral Core Heater 25W. Ideal for both freshwater and saltwater tanks, this heater is a must-have for any fish enthusiast!

With the EHEIM precision heater, your fish will enjoy the perfect temperature in any aquarium setting.Diameter Ø36 mmHeight 243 mmPerformance at 50 Hz 25 WattMax. temperature 34°CSea water YesMin. temperature 18°CFreshwater YesPacking dimensions (Width) 6.5 cmPacking dimensions (Height) 34.5 cmPacking dimensions (Depth) 5 cmFor aquariums up to approx. 25 LitersFor aquariums of about 20 LitersSometimes the simplest ideas are the most effective. Take the aquarium heater that functions as a rod, for instance. This heating rod is effortlessly suspended in the water and warms it up. While the concept remains unchanged from decades past, significant advancements have been made. Today, the EHEIM adjustable heater stands as a state-of-the-art electronic heating device, utilizing the latest technology. Its jacket made from specialized laboratory glass enhances the heating surface, acts as a thermal shield, and guarantees even heat distribution. Whether you need to heat a 20 or a 1000-liter aquarium, you have nine sizes to select from.Advantages of the EHEIM thermostatic heatersAccurate temperature settings ranging from 18 to 34 °CEasy and secure recalibration (±2 °C)Temperature control precision of ± 0.5 °CMaintains a stable temperatureHeating function signaled by a control lightFully submersible (waterproof)Equipped with an automatic dry run shut-off (Thermo Safety Control)A glass jacket enhances the heating surface and ensures optimal heat distributionConvenient cable length of approximately 170 cmIncludes double suction cup holderNine sizes available for aquariums from 20 to 1000 litersCompatible with both fresh and saltwaterPrecision, user-friendliness, quality, and safety “Made in Germany”The EHEIM aquarium heater is an upgraded version of the iconic heating rod.You can accurately adjust the temperature from 18 to 34 °C and recalibrate it if necessary (±2°). The precision of temperature control is ± 0.5 °C.Heat levels are maintained consistently, with a control lamp indicating when heating is active.The rod is entirely waterproof, can be fully submerged, features an automatic dry run shut-off (Thermo Safety Control), and is suitable for both fresh and saltwater. One of the key innovations is the glass jacket:- It expands the heating surface,- concentrates the heat, ensuring optimal even distribution and- provides a thermal shield (safe for your aquatic life).This jacket is crafted from specialized laboratory glass, designed for research applications. Thus, it is free of pollutants that could leach into the water. It is resistant to both chemical and biological agents and is devoid of fissures or hairline cracks that could allow condensation to seep in. Even extreme temperature variations that may occur during water changes will not damage this glass.

Introducing the EHEIM thermocontrol+ e, the next-generation aquarium heater that embodies intelligent design and functionality.The EHEIM thermocontrol+ e is our inaugural adjustable heater featuring digital control through WLAN. You can easily set the exact temperature between 18 to 32 °C using your smartphone, tablet, or PC/MAC. The selected temperature is measured electronically for precision and maintained consistently. In case of a temperature fluctuation of ± 2 °C, you'll receive an immediate notification via email. Additionally, it can automatically sync with filter activity or lighting, allowing for wireless connection to the EHEIM professionel 5e Filter or the LEDcontrol+.The design of the thermocontrol+ e is based on our reliable thermocontrol heaters. Its exceptional laboratory glass cover, perfect finish, high-quality materials, and absolute reliability come together to create the ultimate heating solution. The heaters come with a 3-year warranty and are available in four sizes to accommodate aquariums ranging from 200 to 1000 litres.Benefits of EHEIM thermocontrol+ eElectronic aquarium heater with built-in WLAN functionality and digital control through smartphone, tablet, or PC/MAC.Accurate temperature settings from 18 to 32 °CControl precision of ± 0.5 °CIndicator lights to signal heating function and operational statusEmail alerts sent to your registered address if the temperature deviates by ± 2 °CSmart integration with other devices from the EHEIM.digital family (e.g., synchronizing temperature adjustments with water flow or lowering the temperature at night)Optional adjustments with an external thermometer (expert mode)Waterproof (IPX8) - for optimal Wi-Fi reception, ensure the heater is submerged up to the designated markDry-run protection (Thermo Safety Control)Convenient cable length of approximately 170 cmIncludes double suction holderAvailable in four sizes for aquariums from 200 to 1000 litresCompatible with both freshwater and saltwaterUnmatched safety and reliability backed by a 3-year guarantee.The innovative aquarium heater featuring integrated WLAN functionality and digital control via smartphone, tablet, or PC/MAC.Adjustment and ControlThe EHEIM thermocontrol+ e aquarium heater represents a significant advancement over the thermocontrol e model. Unlike its predecessor, this unit is programmed and monitored wirelessly through WLAN, using your smartphone, tablet, or PC/MAC.It allows for precise temperature settings from 18 to 32 °C. Should the temperature deviate by +/-2 degrees, you'll receive an email notification, provided you've registered an email address.Device SynchronizationA standout feature is the ability to synchronize the thermocontrol+ e with other devices from the Eheim Digital Family, such as the EHEIM professionel 5e filter or the LED lighting control LEDcontrol+. This means you can program the heater to adjust the temperature based on changes in filter flow (in bio mode) or when the LED lighting is turned on or off.For instance: If the filter flow increases at night and the lighting is turned off, the heater can automatically adjust the temperature from 25 °C during the day to 23 °C at night. (Please note: The heater does not cool the water as it lacks an integrated cooling function).WLAN ConnectionThe thermocontrol+ e is fully waterproof and can be completely submerged. However, to ensure optimal WLAN connectivity, it should only be immersed up to the "water level" mark.For your device's security, each EHEIM thermocontrol+ e comes encrypted from the factory (the password can be modified). Once the desired temperature is set, the Wi-Fi network can be turned off.Diameter Ø:32 mmHeight:386 mmPower at 50 Hz:200 WattMaximum temperature:32Saltwater:YesMinimum temperature:18Freshwater:YesPackaging:6 Part(s)WiFi:YesFor aquariums up to approximately:400 LitresFor aquariums of about:300 LitresManufacturer guarantee:3 Years

With the EHEIM precision heater, your fish will enjoy the perfect temperature, no matter the aquarium.Diameter Ø 36 mmHeight 406 mmPower at 50 Hz 200 WattMaximum temperature 34°CSaltwater YesMinimum temperature 18°CFreshwater YesPacking dimensions (Width) 6.5 cmPacking dimensions (Height) 58.5 cmPacking dimensions (Depth) 5 cmFor aquariums up to approximately 400 litersFor aquariums around 300 litersSometimes, the simplest ideas are the best. Take the aquarium heater designed as a rod, for instance. This heating rod is simply suspended in the water to warm it up. While the concept has remained unchanged for decades, significant advancements have taken place over the years. Today, the EHEIM adjustable heater is a state-of-the-art electronic heating device, utilizing the latest technology. A jacket made from specialized laboratory glass enhances the heating surface, acts as a thermal shield, and ensures optimal heat distribution. Whether you need to heat a 20 or a 1000-liter aquarium, you have 9 sizes to choose from.Advantages of the EHEIM thermostatic heatersAccurate temperature setting from 18 to 34 °CEasy and safe recalibration (±2 °C)Temperature control precision ± 0.5 °CHeat maintained at a stable levelHeating function is signaled by a control lightFully submersible (waterproof)Features automatic dry run shut-off (Thermo Safety Control)A glass jacket enhances the heating surface and ensures uniform heat emissionConvenient cable length approximately 170 cmIncludes double suction cup holderAvailable in 9 sizes for aquariums from 20 to 1000 litersSuitable for both freshwater and marine environmentsPrecision, user-friendliness, quality, and safety “Made in Germany”The EHEIM aquarium heater is an evolution of the classic heating rod.The temperature can be accurately adjusted between 18 and 34 °C and can be recalibrated if necessary (±2°). The temperature control maintains an accuracy of ± 0.5 °C.Heat is consistently maintained at the desired level, with the heating function indicated by a control light.This rod is fully waterproof, can be completely submerged, features an automatic dry run shut-off (Thermo Safety Control), and is compatible with both freshwater and saltwater.One of the key innovations is the glass jacket:- It expands the heating surface,- concentrates the heat, ensuring optimal and even heat distribution, and- serves as a thermal shield (safe for your aquatic life).The jacket is crafted from special laboratory glass designed for research applications. Thus, it is free of pollutants that could leach into the water. It is resistant to chemical and biological agents, devoid of fissures and hairline cracks that could allow condensation to enter. Even significant temperature variations that may occur during water changes will not affect this glass.

Introducing the EHEIM thermocontrol+ e, the next-generation aquarium heater that combines intelligence with exceptional design.The EHEIM thermocontrol+ e is our pioneering adjustable heater featuring digital control accessible via WLAN. You can effortlessly adjust the temperature settings from 18 to 32 °C using your smartphone, tablet, or PC/MAC. The selected temperature is measured electronically and maintained consistently. If the temperature strays by ± 2 °C, you’ll receive an immediate notification via email. Additionally, it allows for automatic synchronization with filter activities or lighting, enabling wireless connections to the EHEIM professionel 5e Filter or LEDcontrol+.The design of the thermocontrol+ e mirrors that of our tried-and-true thermocontrol heaters. Its unique laboratory glass cover, impeccable finish, premium materials, and unmatched reliability create the ultimate heating solution. Available in four sizes, these heaters come with a 3-year warranty, making them perfect for aquariums ranging from 200 to 1000 liters.Benefits of EHEIM thermocontrol+ eElectronic aquarium heater featuring built-in WLAN functionality with digital control through smartphone, tablet, or PC/MAC.Exact temperature settings between 18 and 32 °CControl precision of ± 0.5 °CIndicator lights to display heating operation and statusEmail notifications sent when the temperature varies by ± 2 °CSmart integration with other EHEIM.digital devices for synchronization (such as adjusting water flow or lowering the temperature at night)Optional adjustments with an external thermometer (expert mode)Waterproof (IPX8) - to ensure optimal wifi signal, the heater should be submerged only to the indicated markProtection against dry running (Thermo Safety Control)Convenient cable length of approximately 170 cmIncludes double suction holderAvailable in four sizes for aquariums ranging from 200 to 1000 litersCompatible with both freshwater and saltwaterUnmatched safety and reliability with a 3-year warranty.The innovative aquarium heater with built-in WLAN functionality and digital control via smartphone, tablet, or PC/MAC.Adjustment and MonitoringThe EHEIM thermocontrol+ e aquarium heater represents an advanced version of the thermocontrol e heater. Unlike its predecessor, it allows for programming and monitoring wirelessly via WLAN using your smartphone, tablet, or PC/MAC.It can be set with precision from 18 to 32 °C. Should the temperature deviate by +/-2 degrees, you’ll receive an email alert, assuming you have registered an email address.Synchronization with Other DevicesA standout feature is the ability of the thermocontrol+ e to synchronize with other devices in the Eheim Digital Family, such as the EHEIM professionel 5e filter or the LEDcontrol+ lighting system. This enables you to program temperature adjustments based on filter flow changes (in bio mode) or whether the LED lights are on or off.Example: When the filter flow increases during the night and the lights are turned off, the set temperature automatically adjusts: 25 °C during the day and 23 °C at night. (Note: The heater does not cool the water as it lacks an integrated cooling feature).WLAN ConnectivityThe thermocontrol+ e is fully submersible and waterproof. However, for optimal WLAN performance, ensure the heater is immersed only to the "water level" mark.For your device's security, each EHEIM thermocontrol+ e is encrypted from the factory (password can be customized). After setting your desired temperature, you have the option to turn off the wifi network.Diameter Ø:32 mmHeight:431 mmPower at 50 Hz:250 WattMaximum temperature:32Saltwater:YesMinimum temperature:18Freshwater:YesPackaging:6 Part(s)WiFi:YesFor aquariums up to approximately:600 LitersFor aquariums of about:400 LitersManufacturer's warranty:3 Year(s)

With the EHEIM precision heater, your fish will enjoy the ideal temperature in any aquarium.Diameter Ø 36 mmHeight 506 mmPerformance at 50 Hz 300 WattMax. temperature 34°CSea water YesMin. temperature 18°CFreshwater YesPacking dimensions (Width) 6.5 cmPacking dimensions (Height) 58.5 cmPacking dimensions (Depth) 5 cmFor aquariums up to approx. 1000 LiterFor aquariums of about. 600 LitersSimple ideas often turn out to be the best. Take the aquarium heater, for instance, designed as a rod. This heating rod is effortlessly submerged in the water to warm it up. While the concept has remained the same for decades, numerous advancements have occurred. Today, the EHEIM adjustable heater is a state-of-the-art electronic heating device featuring the latest technology. A casing made from specialized laboratory glass enhances the heating surface, acts as a heat shield, and guarantees optimal, even heat distribution. Whether you need to heat a 20 or a 1000-litre aquarium, you can select from 9 different sizes.Advantages of the EHEIM thermostatic heatersExact temperature adjustment from 18 to 34 °CEasy and secure recalibration (±2 °C)Temperature control precision ± 0.5 °CHeat maintained at a stable levelHeating status indicated by a control lampFully submersible (waterproof)Equipped with automatic dry run shut-off (Thermo Safety Control)A glass jacket increases the heating surface and ensures optimal even heat emissionConvenient cable length approximately 170 cmIncludes double suction cup holder9 sizes available for aquariums ranging from 20 to 1000 litresSuitable for both freshwater and marine environmentsPrecision, user-friendly design, quality, and safety “Made in Germany”The EHEIM aquarium heater represents an evolution of the classic heating rod.The temperature can be accurately set between 18 and 34 °C and can be recalibrated if necessary (±2°). The temperature control accuracy is ± 0.5 °C.The heat remains consistently stable. A control lamp indicates when the heating function is active.This rod is completely waterproof, can be fully submerged, features an automatic dry run shut-off (Thermo Safety Control), and is suitable for both freshwater and saltwater aquariums. One of the key innovations is the glass jacket:- It enhances the heating surface,- concentrates the heat, ensuring optimal and even heat emission, and- acts as a heat shield (safe to touch without harming the aquatic life).The jacket is crafted from specialized laboratory glass developed for research applications. As a result, it is free from pollutants that could leach into the water. It is resistant to chemical and biological agents, free from fissures and hairline cracks that could allow condensation to seep in. Even significant temperature fluctuations that may occur during water changes will not damage this glass.