Reviews 300w Aquarium Heater

FREESEA 100 Watt Aquarium Fish Tank Heater with Aquarium Submersible Thermometer

  • ★【100 Watt Heater】: This Aquarium heater is suitable for 15 to 25 gallons aquariums, Length - 13.5 inch,voltage 110-120V, power cord is 4.0 ft, please choose the right wattage aquarium heater according to our size chart..
  • ★【Temperature range】: 63°F~95°F , It is very easy to adjust the temperature you need, we also deliberately give each customer a free diving thermometer, you can observe the water temperature of the fish tank at any time..
  • ★【Intelligent temperature control】：Automatic constant temperature function, when water temperature reaches to specified temperature value, heater will automatically stop heating, when water temperature is lower than the set temperature, heater will automatically start heating. Furthermore, Automatic safety shut-off feature, and overheating protection..
  • ★【Explosion Proof】:★【Note】: 1. Aquarium heater is 100% submersible use only, during its heating time, heater must be 100% submerged into the water.,Please unplug the power supply when cleaning the fish tank or aquarium water changes. 2. Heater rod is suitable for people over 16 years of age. Children or min....
Check Stock

FishCheers Preset 78℉ Aquarium Heater 250W，Submersible Thermostat Aquarium Heater for 75-85Gallon Fish Tank Suitable for Saltwater and Freshwater Aquariums

  • 【Application】: Aquarium preset 78°F heater 250W for 75-85gallon fish tank. Heater length: 11.02inch. Voltage: 115/230V..
  • 【Automatic Thermostat】: The heater is preset to a fixed temperature of 78°F, no need to adjust the temperature. The heater will automatically stop heating when heated to the preset temperature of 78°F.Perfect for beginners..
  • 【Overheat Protection】: The submersible heater has auto-protection system for overheating without water, the aquarium will automatically power off when there is a lack of water to prevent the heater from bursting, making it safer for your aquarium..
  • 【Safe and Convenient to Use】: The heater adopts quartz glass, which is explosion-proof. The aquarium heater comes with two silicone suction cups that can be placed vertically or horizontally in the tank. Please submerge the heater completely in water when using..
  • 【UL Certification】: The aquarium heater has the reliable UL certification. It can be widely used in freshwater and marine aquariums, aquaculture and hydroponic systems..
Check Stock

FishCheers Preset 78℉ Aquarium Heater 150W, Submersible Thermostat Aquarium Heater for 35-55Gallon Fish Tank Suitable for Saltwater and Freshwater Aquariums

  • 【Application】: Aquarium preset 78°F heater 150W for 35-55gallon fish tank. Heater length: 8.07inch. Voltage: 115/230V..
  • 【Automatic Thermostat】: The heater is preset to a fixed temperature of 78°F, no need to adjust the temperature. The heater will automatically stop heating when heated to the preset temperature of 78°F.Perfect for beginners..
  • 【Overheat Protection】: The submersible heater has auto-protection system for overheating without water, the aquarium will automatically power off when there is a lack of water to prevent the heater from bursting, making it safer for your aquarium..
  • 【Safe and Convenient to Use】: The heater adopts quartz glass, which is explosion-proof. The aquarium heater comes with two silicone suction cups that can be placed vertically or horizontally in the tank. Please submerge the heater completely in water when using..
  • 【UL Certification】: The aquarium heater has the reliable UL certification. It can be widely used in freshwater and marine aquariums, aquaculture and hydroponic systems..
Check Stock

Aquarium Heater Small Fish Tank Heater Submersible 25W 50W 100W, Precise Temperature Control with Intelligent Memory Function, External LED Digital Temp Controller Suitable for Betta Fish Turtle

  • Built with Water Shortage Protection. SZELAM submersible aquarium heater is more sensitive and intelligent to resist water shortage. When the heater exposed to air or is not fully submerged, it will automatically power off and the external controller will display error code "E1"..
  • Small Aquarium Heater with Precise and Steady Temperature Control. Our aquarium heater has sensitive internal temp probe, which is more precise to control the water temp, making the temp difference within ±1℉ and providing suitable living environment for your aquatic creatures..
  • Top Quality Material Ensures More Safety. Made of heat-resistant thick quartz heating tube with black quartz sand, this upgraded fish tank heater features explosion-proof and anti-corrosion during heating, much safer than traditional heater. With SZELAM submersible aquarium heater, your beloved fishes will live happily during winter..
  • Safety Guarantee with CE & FCC Certification. SZELAM submersible fish heater is safe to your beloved fishes, as the power cord has CE & FCC Certification, which makes this aquarium heater much safer while heating better than other normal fish heater. Just try this, we won't let you down!.
  • 25 Watt Small Fish Tank Heater. This 25W mini size (6"*1") submersible fish heater....
Check Stock

Penn-Plax Warm Tone LED Aquarium Heater – Fully Submersible – Great for Freshwater and Saltwater Fish Tanks – 18” Length – 500 Watt

  • FULLY SUBMERSIBLE AQUARIUM HEATER: The 500W Warm Tone LED Aquarium Heater easily maintains healthy water temperature, and can be set anywhere between 61 ℉ and 90 ℉, by using the precise adjustment dial. The 500W model works great for 80 – 200 gallon fish tanks..
  • LED DISPLAY: With an easy to read LED display, our Warm Tone Aquarium Heaters accurately show the water temperature, allowing you to monitor and adjust it as needed..
  • ADDITIONAL FEATURES: In addition to being composed of high quality quartz tube and electrical components for maximum safety and durability, these fully submersible aquarium heaters can be placed either horizontally or vertically..
  • PLEASE NOTE: Do not operate heater outside of aquarium, and never submerse a hot heater into an aquarium – only submerse a cool heater. After placing the heater into your aquarium, wait 15 minutes before turning on. This allows the thermostat to adjust itself to water temperature..
  • MEASUREMENTS: Overall Length = 18” / Overall Diameter = 1.5” / Suction Cup Diameter = 1.5” / Wattage = 500W / Voltage = 120V.
Check Stock

DaToo Submersible 50W Aquarium Heater Adjustable Fish Tank Heater 50 Watt

  • DaToo 50Watt Fish Tank Heater - A suitable temperature is very important for our beloved fish. No suitable temperature, our fish will not survive healthy. How to create this comfortable temperature? DaToo will help you. The DaToo Submersible Aquarium Heater is a system that create a warm and comfortable living environment for your lovely fish. Select DaToo Aquarium Heater, Let us care about your fish starting from the temperature..
  • Adjustable Temperature - Only need turn the knob on the top of the DaToo fish tank heater, You can easily get the temperature you want（68 to 93°F) and you can read the temperature you set by the dial of the aquarium heater. Perfect Thermostat system to ensure that your beloved fish can be happy and comfortable life. Very Convenient !.
  • Sturdy And Durable - Still worried about the heater will be broken?Now let's say goodbye to this worry. The shell of the DaToo Aquarium Heater is made with Shatterproof, Corrosion resistant, Wear-resistant microcrystalline glass(glass-ceramics), can be used in fresh water and salt water.The heating part is made of nickel-chromium alloy, ensure superior heat transfer and enhanced service life. Select DaToo Fish Tank Heater, Let it serve your fish forever..
Check Stock

hygger 1000W Submersible Aquarium Heater with Digital Controller, Auto Shut Off Fish Tank Heater for 159-317 Gallon Freshwater/Saltwater Reef Tank

  • [Safety Auto Off, No Cooked Fish] If the water level drops too low and exposes the temperature sensor to the air, hygger aquarium heater auto shuts off with controller flashing "E1" error code and beeping alert to prevent overheating.
  • [Multi-Functional External Controller] 1. Easy to read digital display shows both real-time water temperature and set temperature which available in either Celsius or Fahrenheit. 2. Red indicator light let you know its heating and green at temperature. 3. Audio alert remind you something is wrong. 4. Easy to set temperature without getting hands wet.
  • [Speedy Heating-by Dual Heater Tubes] hygger 800/1000w aquarium heaters equipped with dual heater tubes speed up the heating process.
  • Made of premium corrosion resistant and shatter-proof quartz glass, suitable for fresh or marine water.
  • Detachable black safety protective guard protect fish and other livestocks from burning.
  • [Alarm for High and Low Temperature] Auto shut off as well as beeping alarm when water temperature lower than 59°F or higher than 95°F, resets when water temperature back to control temperature range between 59°F~93°F.
  • [Choose the Right Heater According to Tank's Size]voltage 110V, 300 watt aquarium heater for 40-65 gallon tank, 500 watt aquarium h....
Check Stock

Orlushy 500W Submersible Aquarium Heater, Fish Tank Heater with Adjustable Temperature and 2 Suction Cups for 50-80 Gallon Tank 6ft Power Cord

  • 【500 Watt Aquarium Heater】：500w aquarium heater is for 50-80 gallons fish tank, voltage 120V/60Hz, power cord 6(ft), heating rob length-13 inches.The temperature can be set to the values ranging from 68 to 93°F, please choose the right wattage aquarium heater according to our size chart.
  • 【Updated Design】: The aquarium heater is made of quartz glass, featuring corrosion-proof and explosion-proof. It adopts brand new structural design and helps increase dispersing heat area and shorten the length of the heating rob, thereby raising heating efficiency by 20%.
  • 【Intelligent Safety Protection】: When the indicator lamp is on, the heater starts to heat up the water. With automatic shut-off function and the thermostat inside, the heater maintains the tank water in stable and constant temp, automatically stop or start heating to keep the temp stability.
  • 【Wide Range of Application】: The heater is suitable for use in marine water or fresh water. With 2 strong suction cups, the heater can be installed horizontally or vertically to the tank side and held in place well for aquariums, fish tanks, aquacultures and hydroponic systems.
  • 【Tips】: 1.Please disconnect the power supply, remove the heater out the water after cooling it down for 10 minutes b....
Check Stock

hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving Water Automatically Stop Heating System, for Freshwater and Saltwater

  • 500 WATTS AQUARIUM HEATER - 500W aquarium heater is suitable for 66 to 135 gallon saltwater and freshwater aquariums. The heater length is 10.8 inches, voltage 110-120V, power cord is 10.1 feet. Please select the appropriate wattage aquarium heater according to our size chart.
  • OVERHEATING & OUT OF WATER PROTECTION - When the water temperature exceeds 94°F or it is lower than the minimum water level, the heater will automatically cut off the power and stop heating, it will display an error code and sound an alarm until the water temperature is below 94°F or the heater is completely immersed in the water. Error code: HH-high temp.
  • AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!.
  • DIGITAL LED CONTROLLER - Temperature adjustable range: 59℉-93℉, Accuracy：±1°F. You can use the included bracket to mount the controller on the edge of the tank to adjust the temperature without reaching into the water. LED controller shows the current water temperature, preset temperature, working power and more warning sign of Low/ Hi temperature/ Auto shut off. Very easy to operate!.
Check Stock