The Aquaone Standard Glass Thermometer is a simple, reliable way to keep track of your aquarium's water temperature at a glance. Its clear glass tube and easy-to-read scale make it simple to check conditions are staying stable for your fish, shrimp, and plants.
Fitted with a suction cup, it attaches securely to the inside of the glass and can be positioned wherever suits your setup best — a straightforward, no-fuss option for anyone who wants an accurate reading without batteries or digital displays.