Aquael Fix-2 100W Pre-Set Heater
The Aquael Fix2 heater is known as a “preset heater,” meaning it comes pre-programmed to maintain a fixed, stable temperature. Unlike traditional adjustable heaters that allow the user to set the temperature manually, the Fix2 heater simplifies the process by being preset to a single temperature, usually around 25°C (77°F). This temperature is considered ideal for a wide variety of tropical fish and aquatic species, making it a popular choice for general aquarium use.
Key Features of Aquael Fix2 as a Preset Heater:
- Preset Temperature: The heater is factory-set to maintain a temperature of around 25°C (77°F), a standard optimal temperature for most tropical fish species. This eliminates the need for manual temperature adjustments and ensures consistent water conditions.
- Stable Performance: Designed to provide consistent heating without fluctuations, helping maintain a stable environment for fish and aquatic life.
- Simple Installation: Easy to install and integrate into existing aquarium setups with minimal setup requirements.
| Specification | Value |
|---|---|
| Heating Power | 100W |
| Operating Temperature | 25°C (77°F) |
| Heater Type | Preset |
| Compatibility | Standard aquariums (up to 100 gallons) |
FAQ
What is the preset temperature of the Aquael Fix-2 heater?
The Aquael Fix-2 heater is factory-set to maintain a temperature of 25°C (77°F), which is ideal for most tropical fish species.
Can the temperature be adjusted after installation?
No, the Aquael Fix-2 is a preset heater and does not allow manual temperature adjustments. The temperature is fixed at 25°C (77°F) from the factory.
Is the heater suitable for all types of aquariums?
The Aquael Fix-2 is suitable for standard tropical aquariums up to 100 gallons. It is best suited for species that thrive in a stable 25°C (77°F) environment.

Leah Powell –
I’ve had the Fix-2 for three months now and it’s been very reliable. The water temperature stays steady at 77°F, which is perfect for my neon tetras and guppies. No need to check or adjust it—just plug it in and go. Easy to install and works well with my 55-gallon tank.
Olivia Piper –
The heater maintains a consistent temperature without overheating. My fish seem more active and healthy since I switched to this preset model. It’s a simple solution for beginners who don’t want to deal with temperature settings.
Eric Burgess –
Great value for the stability it provides. I didn’t expect it to work so smoothly out of the box. My community tank has been stable since I installed it, and the temperature never drops below 77°F during colder days.