300W Submersible Aquarium Heater Rod | Adjustable Thermostat
300W Submersible Aquarium Heater Rod | Adjustable Thermostat
Keep Your Aquarium at the Perfect Temperature — Automatically
Maintain a stable, comfortable water environment for your fish, turtles, and aquatic life with this powerful submersible aquarium heater rod. Engineered for tanks ranging from 30 to 375 liters, this fully submersible thermostat heater automatically regulates water temperature so you never have to worry about dangerous fluctuations. Made in Mainland China.
Key Features
- Adjustable Temperature Range: Easily set the temperature anywhere from 20°C to 34°C (68°F to 93°F) using the clearly marked dial — ideal for tropical fish, tortoises, and other aquatic animals.
- Automatic Thermostat Control: The built-in thermostat automatically turns the heater on and off to maintain your chosen temperature, keeping water conditions consistent around the clock.
- Fully Submersible & Waterproof: Double-insulated, waterproof construction means this rod can be fully submerged safely, providing even heat distribution throughout your tank.
- Power Indicator Light: A built-in LED power indicator lets you know at a glance when the heater is actively heating — no guesswork, just peace of mind.
- Wide Compatibility: Compatible with 110–240V power supplies, making it suitable for use in North America, Europe, and beyond. Covers tanks from 30L to 375L.
- Multiple Power Options: Available in 25W to 300W output options to match the size and needs of your specific aquarium setup.
- Durable Construction: Built with long-lasting materials designed to withstand continuous submersion, ensuring a reliable and safe heating solution for your tank.
Specifications
| Application | Fish tanks & aquariums (fish, turtles, aquatic reptiles) |
| Power Range | 25W – 300W |
| Voltage | 110–240V (Universal) |
| Temperature Range | 20–34°C (68–93°F) |
| Tank Capacity | 30–375 Liters |
| Size | 195×25mm / 295×25mm |
| Country of Origin | Made in Mainland China |
Who Is This For?
Whether you're a hobbyist maintaining a tropical freshwater aquarium, a reptile enthusiast keeping turtles in a heated enclosure, or a breeder managing multiple tanks, this adjustable heater rod gives you precise, reliable temperature control without constant monitoring.
For more guidance on setting up a healthy aquatic environment, visit the U.S. Fish & Wildlife Service for resources on responsible aquatic animal care.
Frequently Asked Questions
Q: What size aquarium is this submersible heater rod suitable for?
A: This aquarium heater rod is designed for tanks ranging from 30 to 375 liters (approximately 8 to 99 gallons), depending on the wattage selected. Choose a higher wattage (e.g., 300W) for larger tanks and a lower wattage for smaller setups to ensure efficient and even heating.
Q: Is this heater rod safe to leave on continuously?
A: Yes. The built-in automatic thermostat turns the heater on and off as needed to maintain your set temperature, making it safe and energy-efficient for 24/7 use. The power indicator light lets you know when the element is actively heating, so you always have a clear visual status check.
Q: Can I use this aquarium heater for turtles and reptiles, not just fish?
A: Absolutely. This submersible thermostat heater rod is well-suited for fishbowls, tropical fish tanks, turtle enclosures, and other aquatic reptile habitats. Its adjustable temperature range of 20–34°C (68–93°F) covers the needs of a wide variety of aquatic animals.
Q: Does the heater work with both 110V and 240V outlets?
A: Yes, this heater rod supports a universal voltage range of 110–240V, making it compatible with standard power outlets in North America, Europe, Australia, and most other regions worldwide. No voltage converter is needed.