Quick Summary
The hygger Submersible Aquarium Heater is a 300 W heater with a digital LED controller for aquariums. It is stated as suitable for saltwater and freshwater tanks from 150 to 300 L, with a 27 cm heater length and a 3 m power cord.
The controller shows the current water temperature, preset temperature, operating power and warning signs. The heater also includes overheating and low-water protection, with an alarm and error codes when the water gets too hot or the unit is not fully immersed.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | hygger, so the product can be matched to the right range. |
| Product type | Submersible aquarium heater for fish tanks. |
| Power | 300 W, which is the main sizing point for this heater. |
| Tank size | 150 to 300 L, so the heater is aimed at this aquarium volume range. |
| Voltage | 230 V. |
| Heater length | 27 cm, useful for checking space inside the tank. |
| Power cord length | 3 m, which affects where the controller and plug can be positioned. |
| Temperature range | 15 to 34°C, with ±1°C accuracy stated. |
| Safety features | Overheating protection and automatic shut-off when the water level is too low. |
| Included items | 1 heater, 1 controller, 3 suction cups, 1 stand and 1 hook. |
What to Compare Before Buying
- Aquarium volume: This model is stated for 150 to 300 L tanks. Check your tank size first.
- Power rating: The heater is 300 W, so compare that output with the size of the aquarium you want to heat.
- Space in the tank: The heater length is 27 cm, so confirm there is room for safe placement.
- Control layout: The separate LED controller is mounted on the tank edge, so check that this suits your setup.
- Included parts: Compare the heater, controller, suction cups, stand and hook with what you want to receive.
Compatibility, Size and Fit
This heater is listed for saltwater and freshwater aquariums and uses a 230 V supply. The stated 150 to 300 L range and 27 cm length are the main checks for fit, along with whether the 3 m cord reaches your planned power point.
What Is Included
- 1 x aquarium heater
- 1 x controller
- 3 x suction cups
- 1 x stand
- 1 x hook
Safe Use and Important Precautions
The heater includes automatic shut-off protection for overheating and low water level, plus an alarm and error codes. It should be fully immersed in water for operation. Follow the manufacturer instructions for positioning, filling and use.
Before You Decide
Confirm that your aquarium is within the stated 150 to 300 L range, that the 27 cm heater length suits the tank, and that the 3 m cord reaches your power point. Check the included controller and fittings before choosing an offer.
