Marina Stainless Steel Thermometer – A durable, clip-on aquarium thermometer with a stainless steel finish. This thermometer hooks over the edge of your tank (ideal for framed tanks) and hangs in the water to give accurate readings. The stainless steel body resists corrosion and gives it a sleek look. It has a clear temperature scale that is easy to read at a glance, allowing you to monitor your aquarium’s water temperature precisely. It’s suitable for both freshwater and saltwater aquariums and helps ensure you can keep the water within the correct range for your fish.