Fully calibrated, stick on thermometer allows accurate monitoring of aquarium water temperature. Hallcrest Horizontal Aquarium Thermometer employs precision temperature-sensitive thermochromic liquid crystal technology for easy color-coded readout of aquarium water temperature. Simply remove release paper and press firmly in place on outside of glass aquarium.
Hallcrest Horizontal Aquarium Thermometer measures 3/4" x 5-1/4" long.
Range: 66° to 84°F / 19° to 29°C
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