Adjustable Aquarium Heater 30L 25W Aquarium Heating Element with Thermostat 20-34°C for Fish Tanks and Aquariums

25W Aquarium Heater: The NETONDA aquarium heater features a fully submersible, waterproof design to maintain the set temperature precisely and safely. Operating power: 25W, size: 195mm x 25mm. This aquarium heater is suitable for small aquariums and is recommended for aquariums up to 30L.

Safe and Durable: This aquarium heating rod is made of 2mm thick quartz glass and double-sealed components, 33% thicker than standard 1.5mm aquarium heater glass. It is double-sealed, explosion-proof, shatterproof, and IP68 waterproof.

NOTE: When changing the water in the aquarium, please turn off the power ten minutes beforehand, then change the water. Adjustable Temperature: The adjustable temperature display range is 20°C to 34°C (68°F to 93°F). An easy-to-read temperature scale is located on the front of the heater. The rotary knob on top allows you to set the desired aquarium temperature on the scale. Precise temperature control: The aquarium heater bar has a high-resistance heating wire and a built-in thermostat to automatically maintain the water at the set temperature within an error of +/- 1°F (1°C). The "ON" indicator light in the middle lets you clearly see if the product is working correctly, ensuring a sufficient and stable water temperature for your beloved fish. Easy to install: With two powerful suction cups, you can place it at any angle. Please fully immerse the heater in water. This 25W aquarium heater is suitable for up to 30 liters of water, both freshwater and saltwater. Intelligent constant temperature heating provides your fish with a safer and more comfortable environment.