Fluval Pre Set Aquarium Heaters

Fluval Pre-Set Aquarium Heaters – Reliable, Easy-to-Use Heating for Nano Aquariums

Maintain a consistent and healthy aquatic environment with the Fluval Pre-Set Aquarium Heaters, specially designed for both freshwater and saltwater nano aquariums. These fully submersible heaters automatically maintain a steady temperature range of 24–26°C (76–78°F)—ideal for most tropical fish species—without the need for manual adjustment.

Crafted with a durable, shatterproof polymer outer shell, these heaters are built for safety and longevity. Their strong construction helps protect both your aquarium inhabitants and the heater itself from accidental damage, making them a reliable choice for peace of mind.

An LED indicator light conveniently lets you know when the unit is actively heating, ensuring you always have visual confirmation that your aquarium is staying warm and comfortable.

Key Features:

• Pre-set for ease of use – No need to adjust the temperature.

• Maintains 24–26°C (76–78°F) – Ideal for most tropical aquariums.

• Safe for fresh and saltwater use – Versatile across aquarium types.

• LED indicator – Shows when the heater is in operation.

• Shatterproof polymer casing – Strong and safe design.

Model Options:

• Fluval Pre-Set Aquarium Heater – 10 Watt:
  Perfect for nano tanks up to 10L (2.6 gallons). Compact and efficient, ideal for small aquascapes or shrimp tanks.

• Fluval Pre-Set Aquarium Heater – 25 Watt:
  Suitable for aquariums up to 25L (6.6 gallons). A great mid-range option for small tropical fish setups or betta tanks.

• Fluval Pre-Set Aquarium Heater – 50 Watt:
  Best for tanks up to 50L (13.2 gallons). Ideal for larger nano aquariums that require consistent and reliable heating.

Make fishkeeping simpler with Fluval’s reliable and easy-to-use pre-set heaters. Whether you're setting up a new nano tank or upgrading your current one, these heaters offer the perfect balance of safety, efficiency, and convenience.