Standing Thermometer Cichlid Online Price $6.97Regular Price $7.99 Default Title - $6.97 Quantity This product is currently sold out. The Penn Plax Therma-Temp Standing Thermometer is an all glass thermometer with weighted end, bounces around your aquarium. The Penn Plax Therma-Temp Standing Thermometer reads in both Fahrenheit and Celsius. THERMOMETER STANDING *BLISTER