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50 & 75 Watt Aquarium Heaters (15-25G Tanks)
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ViaAqua Quartz 50 Watt Aquarium Heater VA-50Q
ViaAqua Quartz 50 Watt Aquarium Heater (VA-50Q)
Our Price: $11.35
Sale Price: $9.99
You save $1.36!
In Stock

The ViaAqua Quartz 50 Watt Aquarium Heater is manufactured with high quality, break resistant quartz.

  • 50 Watts. Recommended for tanks up to 13 gallons.
  • Glass construction
  • Fully submersible
  • Suction cups for securing to the aquarium
  • Visible temperature setting
  • For use in fresh and saltwater aquariums
  • 8" long (including the control knob)
  • Item # VA-50Q
AquaTop 50W Model GH-50 Submersible Heater
AquaTop 50W Model GH-50 Submersible Heater
Our Price: $14.99
In Stock

The AquaTop 50W Model GH-50 Submersible Heater will maintain a constant and stable temperature. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups and can handle aquariums up to 13 gallons. With the highly visible temperature setting, the GH-50 is easy to set and adjust to the desired temperature with the use of the temperature adjustment knob. This powerful heater also has double insulation and is made from high quality insulated glass.

Features:
  • 50 Watts
  • 9 inches long
  • For tanks up to 13 gallons
  • Suitable for fresh and saltwater use
  • Suction cups included
  • High quality insulated glass construction
AquaTop 75W Model GH-75 Submersible Heater
AquaTop 75W Model GH-75 Submersible Heater
Our Price: $15.99
In Stock

The AquaTop 75W Model GH-75 Submersible Heater will maintain a constant and stable temperature. This fully submersible glass heater offers simple and easy installation with the use of the included suction cups and can handle aquariums up to 20 gallons. With the highly visible temperature setting, the GH-75 is easy to set and adjust to the desired temperature with the use of the temperature adjustment knob. This powerful heater also has double insulation and is made from high quality insulated glass.

Features:
  • 75 Watts
  • 9 inches long
  • For tanks up to 20 gallons
  • Suitable for fresh and saltwater use
  • Suction cups included
  • High quality insulated glass construction
Hydor Theo 50 Watt Aquarium Heater
Hydor Theo 50 Watt Aquarium Heater
Our Price: $19.99
Sale Price: $17.49
You save $2.50!
In Stock

Hydor Theo 50 Watt Aquarium Heater is a fully submersible, shatter-proof  glass aquarium heater.
  • Maximum security: THEO is shock resistant thanks to the PTC heating element and the shatterproof glass tube
  • Free positioning in aquarium with supplied suction cups
  • Self-limiting: the patented PTC heating system guarantees operation in complete safety because in case of dry running there is no danger for damage
  • Temperature range: 70-94 degrees Fahrenheit
Marineland Precision 50 Watt Submersible Heater
Marineland Precision 50 Watt Submersible Heater
Our Price: $17.99
In Stock

The Marineland Precision 50 Watt Submersible Heater is perfect for freshwater and marine aquariums. The Marineland Precision 50 Watt Submersible Heater features a thermal safety switch to prevent heater failure during operation. The heater turns off automatically when temperature exceeds pre-set internal parameters and turns back on once it cools down.

Features:
  • 9" tall
  • For aquariums up to 12 gallons (to raise the temp up 15F above ambient temperature)
  • Easy to adjust temperature dial sets temperature 1F with every "click."
  • Thermal Switch: Safety feature prevents heater failure during use. Heater automatically turns off as temperature rises above an internal pre-set and turns back on once it cools down.
  • Mounting Bracket: Advanced mounting bracket securely attaches to glass and provides three window positions allowing temperature display to be viewed from multiple angles.
  • cUL listed
Marineland Precision 75 Watt Submersible Heater
Marineland Precision 75 Watt Submersible Heater
Our Price: $17.99
In Stock

The Marineland Precision 75 Watt Submersible Heater is perfect for freshwater and marine aquariums. The Marineland Precision 75 Watt Submersible Heater features a thermal safety switch to prevent heater failure during operation. The heater turns off automatically when temperature exceeds pre-set internal parameters and turns back on once it cools down.

Features:
  • 10" tall
  • For aquariums up to 20 gallons (to raise the temp up 15F above ambient temperature)
  • Easy to adjust temperature dial sets temperature 1F with every "click."
  • Thermal Switch: Safety feature prevents heater failure during use. Heater automatically turns off as temperature rises above an internal pre-set and turns back on once it cools down.
  • Mounting Bracket: Advanced mounting bracket securely attaches to glass and provides three window positions allowing temperature display to be viewed from multiple angles.
  • cUL listed
Lifegard Aquatics 50 Watt Adjustable Quartz Glass Aquarium Heater
Lifegard Aquatics 50 Watt Adjustable Quartz Glass Aquarium Heater
Our Price: $20.79
In Stock

The Lifegard Aquatics 50 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks from 10 to 20 gallons.

Features:
  • Adjustable from 68-88 F
  • Length: 9.05"
  • 50 Watts. For aquariums from 10 to 20 gallons (assuming the temp needs be adjusted no more than 10 degrees)
  • UL Listed
  • Quartz glass tube with bi-metal construction
  • LED power light (red in heating mode, green when temp achieved & purple when outside of water)
  • Thermal protection. The heater will automatically shut off if outside of water.
  • Rubber suction cup holders included
  • Manufacturer part# R800101
Lifegard Aquatics 75 Watt Adjustable Quartz Glass Aquarium Heater
Lifegard Aquatics 75 Watt Adjustable Quartz Glass Aquarium Heater
Our Price: $21.09
In Stock

The Lifegard Aquatics 75 Watt Adjustable Quartz Glass Aquarium Heater is a submersible heater safe for both freshwater and saltwater tanks from 20 to 30 gallons.

Features:
  • Adjustable from 68-88 F
  • Length: 10.44"
  • 75 Watts. For aquariums from 20 to 30 gallons (assuming the temp needs be adjusted no more than 10 degrees)
  • UL Listed
  • Quartz glass tube with bi-metal construction
  • LED power light (red in heating mode, green when temp achieved & purple when outside of water)
  • Thermal protection. The heater will automatically shut off if outside of water.
  • Rubber suction cup holders included
  • Manufacturer part# R800102
Eheim Aquarium Heater, 50 Watt
Eheim Aquarium Heater, 50 Watt
Our Price: $23.69
In Stock

  • Perfect for freshwater or saltwater use
  • For tanks from 10-15 gallons
  • 9.5" Tall
  • Fully submersible
  • 6 foot double insulated power cord
  • Temperature is adjustable from 64F and 93F with an easy to adjust thermostat
  • TrueTemp dial with readjustment ring allows the user to calibrate the heater for a precise temperature reading
  • Thermo safety control in case the tank runs dry. The heater will shut off when out of the water.
  • On/off indicator light
  • Includes clamp with 2 suction cups
  • Made of shatter-proof glass
Eheim Aquarium Heater, 75 Watt
Eheim Aquarium Heater, 75 Watt
Our Price: $23.69
In Stock

  • Perfect for freshwater or saltwater use
  • For tanks from 15-20 gallons
  • 9.5" Tall
  • Fully submersible
  • 6 foot double insulated power cord
  • Temperature is adjustable from 64F and 93F with an easy to adjust thermostat
  • TrueTemp dial with readjustment ring allows the user to calibrate the heater for a precise temperature reading
  • Thermo safety control in case the tank runs dry. The heater will shut off when out of the water.
  • On/off indicator light
  • Includes clamp with 2 suction cups
  • Made of shatter-proof glass
AquaTop D1HT 50 Watt Digital Digital Aquarium Heater
AquaTop D1HT 50 Watt Digital Digital Aquarium Heater
List Price: $36.99
Our Price: $29.99
You save $7.00!
In Stock

The AquaTop D1HT 50 Watt Digital Aquarium Heater is suitable for both freshwater and saltwater applications. It comes equipped with a highly visible dual temperature display, an easy to use temperature control button, and a separately attached temperature sensor, providing a stable temperature environment for aquatic life. The fully submersible features allow for more flexibility in placement. The D1HT Series is also equipped with memory. This means that after a power outage, the heater will resume your preset temperature settings. No need to reset your temperature controls.

Features:
  • LED display
  • The D1HT-50 50 Watt submersible digital aquarium heater is perfect for aquariums from 10 to 25 gallons.
  • The temperature is adjustable from 65F and 93F using the easy to adjust thermostat
  • Built with high impact safety glass and waterproof insulation
  • The design is compact and is only 10.5 inches long
  • Separately attached temperature sensor
  • Suction cup holder included
  • Will retain temperature setting during a power outage
Fluval VueTech E50 50 Watt Aquarium Heater
Fluval VueTech E50 50 Watt Aquarium Heater
List Price: $64.99
Our Price: $50.00
You save $14.99!
In Stock

Fluval VueTech E50 50 Watt Aquarium Heater Features:
  • Recommended for tanks up to 15 gallons
  • LCD displays actual water temperature. This display provides peace of mind as the actual water temperature is continuously displayed in either Celsius or Fahrenheit.
  • High/low temperature alert. During normal operation the temperature readout will change color if the aquarium water varies +/-1C (+/-2 F) or more from the pre-set temperature. If the temperature is too high the LCD will become red and if too low the LCD will become blue.
  • Precise and easy temperature adjustments. With the easy to use adjustment lever the temperature can be precisely set in 0.5 degree increments.
  • Advanced fish protection. the integrated fish guard keeps fish and invertebrates from coming into direct contact with the heater core. the heater is protected against shocks from large fish species.
  • Mounting Bracket. The heater bracket easily clips on or off the slim line mounting bracket or can be vertically adjusted for precise placement. The included adapter provides the option of side glass mounting when traditional rear glass mounting is not possible.