The Eheim JAGER Heater 100W is a high‑quality, fully submersible heater designed to keep your aquarium at a stable, accurate temperature. Built with Eheim’s trusted reliability, the Eheim JAGER Heater 100W is ideal for small to medium aquariums where precise temperature control is essential for healthy fish, shrimp and plants.
Housed in special laboratory‑grade glass, the Eheim JAGER Heater 100W offers a large heating surface and excellent heat distribution. This helps prevent hot spots and ensures gentle, even warming of the water. The robust glass jacket also acts as a heat shield and is resistant to shocks and temperature changes.
Key Features of the Eheim JAGER Heater 100W
The Eheim JAGER Heater 100W includes:
- Adjustable thermostat for precise temperature setting
- Fully submersible design for flexible placement in the aquarium
- Special laboratory glass jacket for even heat emission and durability
- Automatic shut‑off when exposed to air (dry‑run protection on modern models)
- Reliable 100W output, ideal for many small to medium aquariums
- Classic Eheim build quality for long‑term, stable performance
With the Eheim JAGER Heater 100W, you can maintain a consistent temperature range that suits tropical fish, shrimp and planted tanks.
Suitable Tank Sizes for the Eheim JAGER Heater 100W
As a general guide, the Eheim JAGER Heater 100W is suitable for:
- Smaller to medium aquariums (typically around 80–150 litres, depending on room temperature)
- Tropical community tanks that need stable temperatures around 24–26°C
- Shrimp and planted aquariums where consistent warmth supports plant growth and shrimp health
- Quarantine or hospital tanks where precise temperature helps recovery
Always consider your room temperature, tank size and livestock requirements when choosing the Eheim JAGER Heater 100W.
How to Use the Eheim JAGER Heater 100W Safely
To get the best performance from your Eheim JAGER Heater 100W:
- Place the heater in an area with good water circulation, ideally near a filter outlet.
- Ensure the Eheim JAGER Heater 100W is fully submerged before switching it on.
- Set the desired temperature using the adjustable control dial.
- Allow several hours for the Eheim JAGER Heater 100W to stabilise, then check with a reliable aquarium thermometer.
- Avoid exposing the hot heater to air or cold water suddenly – always unplug and let it cool before removing it from the tank.
Regularly check your thermometer to confirm the Eheim JAGER Heater 100W is maintaining the correct temperature for your fish.