Tetra HT Heater 100 electronic

The Tetra HT100 is a 100-watt fully submersible aquarium heater designed for tanks holding 10 to 30 gallons (or roughly 100 to 150 liters). It features an automatic electronic thermostat preset to maintain a steady tropical water temperature of around 78°F (25°C) without manual adjustments.

Key Features

Submersible Design: Can be fully submerged vertically or horizontally inside freshwater and saltwater tanks.

Indicator Light: Shows a red light when actively heating and a green light when the target temperature is reached.

Safety Build: Made with shock-resistant glass and an automatic shut-off feature to prevent overheating.
Quick Tips for Setup

Place the heater in the water and let it acclimate for a few minutes before plugging it in.

Mount it near a water flow area (like a filter output) to ensure even heat distribution.

Unplug the device and let it cool down for 15 minutes before performing tank maintenance or water changes.