Aquarium Heaters

The Penn Plax Therma-Temp Full-Range Digital Thermometer accurately measures aquarium temperature. Contains clear and easy to read numbers, Fahrenheit /centigrade scale, and mounts conveniently outside aquarium.

• Full range digital thermometer
• Pressure-sensitive backing
• Green color shows correct temperature

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

The Penn Plax Therma-Temp Floating Thermometer with Suction Cup is an all glass thermometer with a suction cup mount. The Penn Plax Therma-Temp Floating Thermometer with Suction Cup reads in both Fahrenheit and Celsius.

• All glass thermometer
• Suction cup mount
• Reads in both Fahrenheit and Celsius

Temperature range from 20 to 110 F degrees and 10-40 C degrees.

Most tropical fish have specific temperature requirements in order to thrive. The Penn-Plax AquaLIFE Therma-Temp Digital Aquarium Thermometer makes it easy to know exactly what temperature your aquarium is at. This thermometer mounts conveniently on the outside wall of your aquarium with a pressure-sensitive backing. The numbers are clear and easy to read as the green color shows the correct temperature.

• 2" strip
• Great for smaller aquariums
• Easy to attach
• Numbers are clear and easy to read
• Mounts on the outside of all glass aquariums

INSTRUCTIONS: Green color shows the correct temperature of the water.

300 Watts - 12" Long (75 Gallons) The Cascade Submersible Heater is an economical alternative in aquarium heating. The Cascade Submersible Heater automatically sets and maintains to your desired temperature, and is accurate to one degree.

• Automatically sets and maintains your desired temperature
• Accurate to 1 degree
• Fully submersible

The Cascade Submersible Heater contains easy view on/off light, dual suction cups with mounting clip and visible and accurate temperature setting scale. The Cascade Submersible Heater is constructed of heavy duty and shock resistant glass.

The Cascade Submersible Heater is a top quality heating element with superior insulation and heat distribution, perfect for fresh and salt water aquariums.

200 Watts - 10" Long (55 Gallons) The Cascade Submersible Heater is an economical alternative in aquarium heating. The Cascade Submersible Heater automatically sets and maintains to your desired temperature, and is accurate to one degree.

• Automatically sets and maintains your desired temperature
• Accurate to 1 degree
• Fully submersible

The Cascade Submersible Heater contains easy view on/off light, dual suction cups with mounting clip and visible and accurate temperature setting scale. The Cascade Submersible Heater is constructed of heavy duty and shock resistant glass.

The Cascade Submersible Heater is a top quality heating element with superior insulation and heat distribution, perfect for fresh and salt water aquariums.

100 Watts - 8" Long (20 Gallons) The Cascade Submersible Heater is an economical alternative in aquarium heating. The Cascade Submersible Heater automatically sets and maintains to your desired temperature, and is accurate to one degree.

• Automatically sets and maintains your desired temperature
• Accurate to 1 degree
• Fully submersible

The Cascade Submersible Heater contains easy view on/off light, dual suction cups with mounting clip and visible and accurate temperature setting scale. The Cascade Submersible Heater is constructed of heavy duty and shock resistant glass.

The Cascade Submersible Heater is a top quality heating element with superior insulation and heat distribution, perfect for fresh and salt water aquariums.

50 Watts - 7" Long (10 Gallons) The Cascade Submersible Heater is an economical alternative in aquarium heating. The Cascade Submersible Heater automatically sets and maintains to your desired temperature, and is accurate to one degree.

• Automatically sets and maintains your desired temperature
• Accurate to 1 degree
• Fully submersible

The Cascade Submersible Heater contains easy view on/off light, dual suction cups with mounting clip and visible and accurate temperature setting scale. The Cascade Submersible Heater is constructed of heavy duty and shock resistant glass.

The Cascade Submersible Heater is a top quality heating element with superior insulation and heat distribution, perfect for fresh and salt water aquariums.

25 Watts - 7" Long (10 Gallons) The Cascade Submersible Heater is an economical alternative in aquarium heating. The Cascade Submersible Heater automatically sets and maintains to your desired temperature, and is accurate to one degree.

• Automatically sets and maintains your desired temperature
• Accurate to 1 degree
• Fully submersible

The Cascade Submersible Heater contains easy view on/off light, dual suction cups with mounting clip and visible and accurate temperature setting scale. The Cascade Submersible Heater is constructed of heavy duty and shock resistant glass.

The Cascade Submersible Heater is a top quality heating element with superior insulation and heat distribution, perfect for fresh and salt water aquariums.