Top Fin® Floating Glass Aquarium Thermometer

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Hook this stainless-steel thermometer over the edge of your tank to monitor water temperature. Both Fahrenheit and Celsius scales are etched into the stainless steel, with the “safe zone” marked as well. It works in both freshwater and saltwater aquariums. Temperature range: 50–120°F/10–50°C; marked in 2°F/1°C intervals. Size: 5″L.

This tank lid has a raised light strip built in, with electrical components sealed for safety. The inner shell will not discolor or corrode from freshwater or saltwater. Durable polypropylene hinges allow the top to open easily for quick access to the tank; the plastic strip at the back can be cut to add accessories. A fluorescent bulb and instructions are included. 120 VAC.