Quick Summary
The hygger aquarium heater is an adjustable power heater for fish tanks, with 400W and 800W settings and an external LED digital display controller. It is intended for 300-500L freshwater or saltwater tanks, and the temperature can be set within a 63-94°F range.
The controller shows the current water temperature, the set temperature, operating power and error codes. It also keeps the temperature setting after power is restored.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | hygger, for buyers who want to match the heater to the stated model. |
| Product type | Aquarium heater with an external LED digital display controller. |
| Power settings | 400W or 800W adjustable power, so the output can be matched to the tank size and conditions. |
| Tank size | 300-500L, which is the key range to compare against the aquarium capacity. |
| Water type | Freshwater and saltwater tank use are both stated. |
| Temperature range | 63-94°F, so the chosen setting needs to suit the fish tank requirements. |
| Controller display | Shows current water temperature, set temperature, current operating power, set power and error codes. |
| Protection features | Over-temperature protection, low-temperature alarm and water shortage shut-off are stated. |
| Construction | Dual quartz tube design with quartz glass heating rod and black ABS shell. |
What to Compare Before Buying
- Tank capacity: This model is stated for 300-500L tanks. Compare that with your aquarium size before choosing.
- Power setting: The heater switches between 400W and 800W. Choose the setting that matches the tank and the conditions you plan to maintain.
- Temperature range: The adjustable range is 63-94°F. Check that this range suits the fish and setup you keep.
- Water type: Freshwater and saltwater use are both stated, so confirm that matches your aquarium.
- Display and controls: The external LED controller shows temperature, power and error codes, which may matter if you want the controls separate from the tank.
What Else You May Need
To use this heater correctly, you will need an aquarium setup that suits the stated 300-500L tank range and allows the heater to be fully submerged in water.
Before You Decide
Check the aquarium capacity, the 400W or 800W setting, and the 63-94°F adjustment range before choosing an offer. If you need a heater for a smaller tank, a different size should be considered. Follow the manufacturer’s instructions for installation and use, especially the full-submersion requirement.
