Adjustable Aquarium Heater, 25W Aquarium Heater with Thermostat 20-34°C for Fish Tanks and Aquariums

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

Safe and Durable: This aquarium heater rod is made of 2mm thick quartz glass and double waterproof components, 33% thicker than normal 1.5mm aquarium heater glass, double sealing, explosion-proof, shatterproof and IP68 wash-proof. NOTE: When changing the water in the aquarium, turn off the power for ten minutes beforehand and then change the water.

Adjustable Temperature: The adjustable temperature display range is from 20°C to 34°C (68°F to 93°F); The front of the heater features an easy-to-read temperature scale. The rotary knob on the top allows you to set the desired aquarium temperature on the scale.

Accurate Temperature Regulation: The aquarium heater rod features a high-resistance heating wire and a built-in thermostat to automatically maintain the water at the set temperature within +/- 1°F (1°C). The "ON" indicator light in the center allows you to clearly see if the product is working properly, ensuring a sufficient and stable water temperature for your beloved fish.

Easy to install, with 2 powerful suction cups, you can position it at any angle, completely submerging the heater in the water. This 25W aquarium heater is suitable for up to 30 liters of freshwater, both fresh and saltwater. Intelligent constant temperature heating, providing your fish with a safer and more comfortable environment.