The 15-Watt Aqueon Flat Heater is perfect for aquariums up to 10 gallons. It's super easy to install and fully submersible. It warms water quickly and efficiently, ensuring a comfortable environment for your aquatic friends.

Using this Aqueon Flat Heater is a breeze. First, make sure your aquarium is filled with water. Then, place the heater in the water according to the instructions. It can be fully submerged. Plug it in, and it will start warming the water efficiently. When using, keep it away from any sharp objects to avoid damage. For maintenance, turn it off and unplug it regularly. Clean it gently with a soft cloth to keep it working well. Remember, this heater is designed for aquariums up to 10 gallons, so don't use it in larger tanks.