Description Every fish species has specific temperature requirements, so keep an eye on your aquarium with an accurate glass thermometer. The Aqua One Glass Thermometers are a must-have accessory for any aquarium. The easy to read thermometers include a high-quality silicon suction cup to fasten it in the aquarium. Both models are mercury free for added safety. Features & Benefits Easy to read High-quality silicone suction cap Temperature range of 0-32°C Does not contain mercury Suitable For: Coldwater, Tropical & Marine
