Marina® Aquarium Thermometers

The Hagen Marina Standing Aquarium Thermometer is an accurate, easy to read temperature indicator for fresh and saltwater fish tanks. Includes a safety zone indicator that applies to most tropical fish and helps protect your fish from unsafe temperatures.

Marina Standing Thermometer

Easy to read floating aquarium thermometer with suction cups Includes a safety zone indicator appropriate for most tropical fish Equipped with suction

Marina Floating Thermometer for Betta Fish Tank with Suction Cup, Aquarium Thermometer, 11201A1

MARINA Floating Thermometer with Suction Cup for Aquariums

Marina® Aquarium Thermometers

Marina Floating Thermometer for Betta Fish Tank with Suction Cup, Aquarium Thermometer, 11201A1 : Everything Else

Marina Floating Thermometer with Suction Cup - Large Thermometer with Suction Cup #11204 With water temperature being such a critical factor for the well-being of fish, it’s important to have a good thermometer. This Marina Floating Thermometer is designed to float in the water in a vertical position. It comes with a suction cup for optional installation on your aquarium glass. Accurate and easy to read, it provides temperature readings in Centigrade and Fahrenheit.