Top 8 Best Large Aquarium Heater

300W aquarium heater is suitable for 40 to 55 gallons aquariums,Length - 11 inch,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.. It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals.. Explosion Proof 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.. Precise temperature dial from 68 to 89F allows for complete control of aquatic climate within a 1-degree difference.. Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.

Aquarium heater with dual temperature sensors provide accurate and real-time water temperatures. LCD temperature display available in both Fahrenheit and Celsius with a range of 68 to 93 degrees Fahrenheit. Fast heat technology built with a safety shut-off and integrated fish guard to protect fish and invertebrates. Equipped with a slim profile mounting bracket and colored display alert system.

Durable Titanium Tube - This aquarium heater is made of premium Titanium Alloy, double seal material, advanced design to ensure safe operation. It has explosion-proof function while being also shatterproof and waterproof.. Wide Temperature Range - The temperature of the heater can be adjusted between 20-34, 68-93F. It is suitable for many kinds of aquariums, fishes and amphibious turtles.. Easy Viewing and Safe Adjusting - It is easy and safe to adjust temperature by the external controller and the temperature will be shown on the LED screen of the heater.. Intelligent Temperature Control - It can ensure the temperature constant at the set point as it can adjust heating power automatically if there is any water temperature variation. So that it can avoid temperature mutation and protect fishes.. It will stop heating when the water temp reaches to the set temp, restart heating when the water temp is 1 less than the set temp. The heater is working when the indicator light is red..

External Digital Display ControllerWith its easy-to-use LED digital screen simultaneously displays the set temperature and the current aquarium temperature. Youll be able to set temperature up in a healthy range of 59 to 93F with button and monitor how well the heater is doing its job in real-time.. Double Tubes Heating ElementFeaturing shatterproof quartz glass tube nickel-chromium heating wire for fast, steady, more evenly distributing heat. With a PC plastic guard to protects your fish touch it they wont get burnt.. Running-Dry Shut Off ProtectionThis is a completely submersible heater that will stop working when exposed to air and display error code E1, which resets itself to resume working when placed back into the water.. Overheating ProtectionThis fish tank heater automatically turns off and displayed HH error code once the water temperature reaches 95F. Until it drops to the set temp. Accurate temperature controls within 1F difference.. Works in both Freshwater and Saltwater TankThe 500 watt heater can be used to heat for a 65-120 gallon aquarium. The package included two suction cups that easily installed vertically or horizontally underwater below 5 inch..

Energy Saving Heater for Aquarium Larger than 60 Galvoltage 110-120V60HZ, power 800W, US three-pin plug, heater length 9.6 inch. The heater power cord and the controller cord are both 5ft. 800W aquarium heater for fish tank 120-180 gallon. Fast heating up aquarium heater, it takes about 2 minutes to heat 3.5 gallon water up 3. With 2 heating modes MAX heating, ECO heating, more energy saving than general high power heater. Auto Shut Off When Overheating or Not Fully Submergedwith built-in thermometer and waterline detector, when the water temp is over 97F, the controller will auto shut off to prevent overheating, when the top of heating element is out of water over 0.8 inch, the controller will auto shut off and stop heating and will automatically restart heating after you place the heater fully under water. Dual Digital Displays on Controller Heaterthe digit display on the heater is to show the current water temp, the controller digit display will show the current water temp and the set temp. When you want to check the water temp, you can see that on the heater or the controller display, the digits are synchronized updated. Fully Automatic Smart Thermostat it's very easy to set the temp on the controller, just press the set button to choose the temp digits from 70 to 94, only integer value can be chose. The heater will stop heating when the water temp reaches the set temp, and it will restart heating when the water temp is 0.5 lower than the set temp. The heating mode is MAX heating when the set temp is 1or more higher than water temp, it will be ECO heating when water temp is 0.5-1 less than the set temp. Suitable for Fresh Water durable titanium steel heating element, covered by sturdy plastic guard, service life can last for 3 years or more. Can be used for fresh-water fish tanks. The aquarium heater comes with a sturdy clip, there are 2 strong suction cups on the clip, easy to install the heater on to the fish tank wall. The fish tank heater can be placed horizontally or vertically under water. Please note this heater is not suitable for saltwer and high-hardness water.