Pet Supplies on the Web

Vertical strip thermometer adheres to outside of aquarium glass. Small, 2""L strip provides temperature readings from 64-86 degrees Fahrenheit.Large, 4.5""L strip provides temperature readings from 64-90 degrees Fahrenheit and 18-32 degrees Celsius.

Float glass thermometer in aquarium water or secure with included suction cup. Provides temperature readings from 40-100 degrees Fahrenheit and 0-40 degrees Celsius. Measures 4.5""L. Does not contain mercury.