25W Adjustable Aquarium Heater with Thermometer for Small Tanks (3-8 Gallon)

Product Overview

The 25Watt Heater is designed for aquariums ranging from 3 to 8 gallons, operating on 110-120V voltage. The 4.6 ft power cord provides flexible placement options. Choose the appropriate wattage according to our size chart to ensure optimal performance.

Temperature Range & Accuracy

Temperature range: 68°F to 90°F (20°C - 32°C). The heater features precise temperature control with an accuracy of ±3℉. Each customer receives a Thermometer Sticker to monitor water temperature easily and accurately.

Safety & Durability

Key Material: The heater is made with 2mm thickened quartz glass, which is 33% thicker than standard models, enhancing safety for both humans and pets. It is suitable for both fresh and saltwater aquariums. The design allows easy concealment in your tank.

Smart Temperature Control

Automatic temperature regulation: Equipped with a thermal sensor, the heater maintains a constant temperature. When the water temperature matches the preset level, it automatically stops heating. Once the temperature drops below the preset value, the heater restarts automatically.

Usage Guidelines

• Ensure the heater is fully submerged in the water during operation.
• Unplug the power supply during cleaning or when changing aquarium water.