The Penn Plax Therma-Temp Stainless Steel Thermometer is a small stainless steel thermometer that hangs on the rim of most aquariums. Effectively measures tank water temperature between 0 and 40 degrees Celsius.
- Hangs on the rim of most aquariums
- "Safe zone" for most tropical fish
- Measures tank water temperature between 0 and 40 degrees Celsius
