Penn Plax Cascade Heat 50 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Blue/Red, Size 7.5 H x 1.1 W x 1.1 D in | Wayfair CH850

Tetra HT10 Submersible Aquarium Heater, 50 Watts

Tetra HT line of heaters are easy-to-use and work in aquariums ranging from 2 to 55 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to... ... more

Aqueon Submersible Aquarium Heater, 50 Watts

Aqueon Submersible Aquarium Heaters are designed with thermal shatter-resistant glass, making them extremely durable. Each unit has an adjustable temperature dieal for precise heating and auto-shut to avoid overheating. ... more

Penn Plax Cascade Heat 25 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Black, Size 7.5 H x 1.1 W x 1.1 D in | Wayfair CH825

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or... ... more

Penn Plax Cascade Heat 300 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Black/White, Size 13.5 H x 1.1 W x 1.1 D in | Wayfair

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or... ... more

Penn Plax Cascade Heat 75 Watt Aquarium Heater Glass (cost efficient & easy to clean) in Black, Size 8.5 H x 1.1 W x 1.1 D in | Wayfair CH875

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or... ... more

Penn Plax Radius Rectangle Starter Kit Glass (cost efficient & easy to clean), Size 10.0 H x 12.0 W x 8.0 D in | Wayfair WW110K

This Desktop Aquarium Kit is perfect for small or unused spaces: a desk, dresser, or even on top of an old file cabinet that hasn’t been touched in years. This frameless tank is made from finely constructed bent glass that’s 1/8” thick. At the front,... ... more

Penn Plax Cascade Mini 25 Watt Aquarium Heater, Glass in Black, Size 8.5 H x 3.6 W x 2.25 D in | Wayfair CHP3

This aquarium heater is preset to maintain water at 77 ℉. Although this factory temperature setting cannot be adjusted, it does meet the ideal temperature range for most aquatic environments. This heater is designed for both plastic and glass tanks,... ... more

Penn Plax Cascade Mini 10 Watt Aquarium Heater Acrylic (shatterproof w/ great clarity), Glass in Black, Size 6.25 H x 3.6 W x 2.25 D in | Wayfair

This aquarium heater is preset to maintain water at 77 ℉. Although this factory temperature setting cannot be adjusted, it does meet the ideal temperature range for most aquatic environments. This heater is designed for both plastic and glass tanks,... ... more

Penn Plax 1 Gallon AquaTerrium Aquarium Tank Glass (cost efficient & easy to clean) in Green, Size 11.0 H x 10.0 W x 9.0 D in | Wayfair PTA1

The AquaTerrium Aquarium Tank by Penn Plax is the latest in aquatic ecosystems. It’s beautiful and revolutionary design allows you to grow your favorite live plants or herbs together with your fish in one symbiotic environment. The Aquarium Tank... ... more

Penn Plax Warm Tone 800w Led Aquarium Heater Glass (cost efficient & easy to clean) in Black/White, Size 23.5 H x 1.5 W x 1.5 D in | Wayfair

Warm Tone presents the 800W LED Aquarium Heater. This heater easily maintains healthy water temperature, and can be set anywhere between 61 ℉ and 90 ℉, by using the precise adjustment dial. Our Warm Tone Aquarium Heaters are factory set to 76 ℉, and... ... more

Penn Plax Warm Tone 300w Led Aquarium Heater Glass (cost efficient & easy to clean) in Black/White, Size 15.5 H x 1.5 W x 1.5 D in | Wayfair

Warm Tone presents the 300W LED Aquarium Heater. This heater easily maintains healthy water temperature, and can be set anywhere between 61 ℉ and 90 ℉, by using the precise adjustment dial. Our Warm Tone Aquarium Heaters are factory set to 76 ℉, and... ... more

Penn Plax Cascade Aquarium Accessory Metal (great for large aquariums) in Black/Blue, Size 5.75 H x 5.0 W x 3.4 D in | Wayfair CPF1

This filter quietly delivers crystal clear water, and pushes water at 80 Gallons per Hour (GPH) for tanks up to 10 Gallons in size. It’s great for Freshwater and Saltwater aquariums. Accommodating: The adjustable flow knob allows for increased or... ... more

Penn Plax Radius Rectangle Starter Kit Glass (cost efficient & easy to clean), Size 12.0 H x 16.5 W x 10.75 D in | Wayfair WW112K

This Desktop Aquarium Kit is perfect for small or unused spaces: a desk, dresser, or even on top of an old file cabinet that hasn’t been touched in years. This frameless tank is made from finely constructed bent glass that’s 1/8” thick. At the front,... ... more

Penn Plax Cascade Air Charger II Aquarium Accessory Acrylic (shatterproof w/ great clarity) in Green/Indigo, Size 2.0 H x 3.0 W x 5.0 D in | Wayfair

While this dual air pump utilizes a USB cord for continuous power for normal use, it also features an internal battery that instantly kicks in if power is lost. This keeps your tank’s water safely oxygenated in the event of a power outage in your home!... ... more

Penn Plax Radius Rectangle Starter Kit Glass (cost efficient & easy to clean), Size 13.0 H x 18.5 W x 12.5 D in | Wayfair WW113K

This Desktop Aquarium Kit is perfect for small or unused spaces: a desk, dresser, or even on top of an old file cabinet that hasn’t been touched in years. This frameless tank is made from finely constructed bent glass that’s 1/8” thick. At the front,... ... more

Penn Plax Radius Rectangle Starter Kit Glass (cost efficient & easy to clean), Size 11.5 H x 14.5 W x 9.35 D in | Wayfair WW111K

This Desktop Aquarium Kit is perfect for small or unused spaces: a desk, dresser, or even on top of an old file cabinet that hasn’t been touched in years. This frameless tank is made from finely constructed bent glass that’s 1/8” thick. At the front,... ... more

Penn Plax Radius Rectangle Starter Kit Glass (cost efficient & easy to clean), Size 10.0 H x 12.0 W x 8.0 D in | Wayfair WW110K

This Desktop Aquarium Kit is perfect for small or unused spaces: a desk, dresser, or even on top of an old file cabinet that hasn’t been touched in years. This frameless tank is made from finely constructed bent glass that’s 1/8” thick. At the front,... ... more

Penn Plax Filtrx Activated Carbon & Zeolite Mix Aquarium Canister Filter Media in Blue, Size 1.0 H x 6.0 W x 5.0 D in | Wayfair CFSCB3

Filtrx is specially designed filter media that removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. This item is compatible with Cascade, Marlin, and Other Aquarium Filter Systems with... ... more

Penn Plax Filtrx Zeolite Media for Aquarium Canister Filters, Crystal in Blue, Size 0.5 H x 6.0 W x 5.0 D in | Wayfair CFSCB2

Filtrx is specially designed filter media that removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. This item is compatible with Cascade, Marlin, and Other Aquarium Filter Systems with... ... more

Penn Plax Filtrx Activated Carbon Aquarium Canister Filter Media in Blue, Size 1.0 H x 7.0 W x 5.0 D in | Wayfair CFSCB1

This specially designed filter media removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water. This item is compatible with Cascade, Marlin, and Other Aquarium Filter Systems with Trays. It’s... ... more

Tucker Murphy Pet™ Cuamonroy Aquarium Heater Glass (cost efficient & easy to clean) in Blue, Size 11.0 H x 1.1 W x 1.1 D in | Wayfair

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or... ... more

Oase Heatup 50 Aquarium Accessory Glass (cost efficient & easy to clean) in Gray, Size 8.0 H x 0.9 W x 0.9 D in | Wayfair 33799

The HeatUp line of aquarium heaters is a reliable way of creating and maintaining uniform temperature levels in your freshwater or marine aquarium. The robust, double-insulated quartz glass tube provides additional safety for aquarium use. The control... ... more

Tucker Murphy Pet™ Dabin Aquarium Accessory Glass (cost efficient & easy to clean) in Blue, Size 11.0 H x 1.1 W x 1.1 D in | Wayfair

This heater easily maintains healthy water temperature within a 1° accuracy, and can be set anywhere between 68 ℉ and 89 ℉, by using the red control knob. Our Cascade Aquarium Heaters are factory set to 76 ℉, and are safe for either freshwater or... ... more

Oase Heatup 25 Aquarium Accessory Glass (cost efficient & easy to clean) in Gray, Size 8.0 H x 0.9 W x 0.9 D in | Wayfair 33798

The heat line of aquarium heaters is a reliable way of creating and maintaining uniform temperature levels in your freshwater or marine aquarium. The robust, double-insulated quartz glass tube provides additional safety for aquarium use. The control... ... more

Oase Heatup 150 Aquarium Accessory Glass (cost efficient & easy to clean) in Gray, Size 12.0 H x 0.9 W x 0.9 D in | Wayfair 33803

The heat line of aquarium heaters is a reliable way of creating and maintaining uniform temperature levels in your freshwater or marine aquarium. The robust, double-insulated quartz glass tube provides additional safety for aquarium use. The control... ... more