Penn Plax Therma-Temp Standing Thermometer
The Penn Plax Therma-Temp Standing Thermometer is an all glass thermometer with a weighted base to keep it vertical as it bounces around your aquarium. Features a “safe zone” for most tropical fish.
- Weighted base for vertical alignment
- “Safe zone” for most tropical fish
- Helps you maintain a safe and comfortable environment for your fish
Contains no mercury.