Overview Meet the SEAOURA Submersible Heater, a compact 75W solution built for small aquariums

It uses an explosion-proof quartz heating tube and a protective plastic cover to help reduce risk to aquatic life while delivering dependable warmth

Designed for tanks in the 7–20 gallon range, it operates on standard 110–120 V power and includes a 4

2 ft power cord and a 6

3 inch heater element for flexible placement

This combination of safety-minded design and precise control aims to support a stable environment for your fish, turtles, or other small inhabitants without dominating your tank's visual space

Smart, Easy-to-Read Temperature Control External LED digital display clearly shows current water temperature for at-a-glance monitoring

Temperature sensor accuracy is ±1°F, helping you track small changes over time

Switch between °C and °F by pressing the + and - keys for three seconds

In many setups, you may not need a separate aquarium thermometer

Safe and Reliable in Freshwater and Saltwater Tanks Overheat protection automatically stops heating when conditions become unsafe or water level is too low

If the temperature climbs past 99°F, the display shows HH and the heater shuts off to prevent overheating

Built-in safety controls help prevent dry burning and provide extra peace of mind

Flexible Installation and -Life Use Cases Compact design and strong suction cups enable easy installation anywhere inside the aquarium

75W heater is designed for 7–20 gallon tanks, suitable for small tropical setups or turtle habitats

Compatible with freshwater and saltwater environments, giving you versatile use across different setups

I for species such as Bettas and other small tropical fish, where stable warmth supports active behavior

Specs and Support Includes 110–120 V operation, a 4

2 ft power cord, and a 6

3 inch heater element

For questions, professional technical support is available

The heater must be fully immersed for proper operation, and it is designed for use in 7–20 gallon tanks

FAQ Q: Is the SEAOURA Submersible Heater suitable for both freshwater and saltwater tanks

A: Yes

The 75W unit is designed for 7–20 gallon tanks and works in freshwater and saltwater environments

Q: How does the heater indicate status and prevent overheating

A: A red light shows heating, green indicates standby; it also shuts off if water is low or temperature exceeds 99°F (display shows HH)