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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

  • Based on 1,444 reviews
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Availability: 20 left in stock
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Arrives Friday, Jul 24
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Size: 300W for 40-80 Gallon


Features

  • 300 WATTS AQUARIUM HEATER - 300W aquarium heater is suitable for 40 to 80 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 94F 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 94F or the heater is completely immersed in the water. Error code: HH-high temp; LL-low temp; AUTO shut off-out off water. Multiple protection, let you get rid of "boiled fish"!
  • DIGITAL LED CONTROLLER - Temperature adjustable range: 59F-93F, Accuracy:1F. 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!
  • EFFICIENT AND EXPLOSION PROOF - The aquarium heater is made of explosion-proof quartz glass and high-temperature resistant nickel-chromium heating wire. This results in faster water heating, safer, and more longer-lasting. The heater guard is made of high quality PC plastic to protect your fish from burns
  • COMPLETE ACCESSORIES AND WARRANTY - This aquarium heater comes with accessories you need. Package includes 1 aquarium heater, 1 controller, 3 suction cups, 1 bracket and 1 hook. It offers 12 months warranty.

Material: Quartz, Nickel complex, Plastic


Brand: hygger


Color: black


Wattage: 300 watts


Item Weight: 2.2 Pounds


Brand Name: hygger


Warranty Description: 1 year warranty


Manufacturer: hygger


Part Number: HG-043


Model Number: HG-043


Included Components: controller, heater


Item Type Name: aquarium heater


Unit Count: 1.0 Count


Material Type: Quartz, Nickel complex, Plastic


Color: black


Wattage: 300 watts


Item Weight: 2.2 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jul 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • THE BEST HEATER FOR THE MONEY THE BEST HEATER FOR THE MONEY
Size: 300W for 40-80 Gallon
I have had eheim and fluval heaters and let me tell you, they do not hold a candle to this one especially considering the price. The eheim was always so annoying as the temperature you set would never match the tank temp even after countless attempts at calibration. Also, the suction cups used on them are very very weak and begin to be less effective over time. In addition to this due to the design everytime you want to adjust the temp you must stick your hands in the tank and manually move the dial (and given the fact that I could never get the dial temp to match the actual tank temp it would produce, this was such a hassle)! I only wish I would have discovered these amazing heaters sooner. Stick it in, and then you have an external control unit that you set the temperature with with the touch of a button. Truly a beautiful thing. I purchased 2 of the 300W units for my new 75 gallon build (I know I could have purchased a higher wattage but I prefer 2 individual units in the event one fails there is still a backup and if it fails in the sense that one misreads temp and overheats, it is not powerful enough to overheat the tank). I have both of them mounted behind my 3d background next to each intake of my canister filters in opposite corners and it is performing FLAWLESSLY thus far. Much like every other Hygger aquarium product, this is of the upmost quality and I am such a huge fan. ... show more
Reviewed in the United States on March 13, 2023 Reviewed in the United States on March 13, 2023 by amazonuser

  • Rock-Solid Heater I Trust in Multiple Tanks
Size: 300W for 40-80 Gallon
These heaters work faithfully day in and day out. I’ve been running one in another tank for about two years now without a single issue, which is exactly why I bought this one for a new setup in a different room. Temperature has stayed stable and accurate, and the heater does its job quietly in the background, no swings, no surprises. My fish stay comfortable, active, and stress-free, which is really the whole point. Build quality feels solid, setup is straightforward, and once it’s dialed in, it just works. I don’t worry about it, and that’s the highest compliment I can give aquarium equipment. Reliable, consistent, and dependable enough that I came back for another one. ... show more
Reviewed in the United States on January 24, 2026 by KaninAngMandaragat

  • Failed after a few months
Size: 300W for 40-80 Gallon
Worked amazing for a few months but now throws an error code for the water being too hot, I have an ink bird on my aquarium and it’s running at 75 degrees. After cleaning the unit and leaving it unplugged for a few hours I plugged it back in it resounded the alarm and told me the water was too hot. Bought in January sensor failed in april. Was a cool product while it lasted ... show more
Reviewed in the United States on April 19, 2026 by Dylan Lawson

  • They stand behind their products! They stand behind their products!
Size: 300W for 40-80 Gallon
I purchased this heater for a new tank we called “the works” canister filter, custom acrylic tank, programable led lighting (also from hygger) tho whole nine yards and its led controller looked to be the Cadillac of heaters! And it is! However after about two months of use it would not work and the alarm for out of water would not turn off. We were extremely disappointed as it went with our tank perfectly. We decided to reach out to hygger as their other products have been amazing. We were not disapointed, they worked with us responding rapidly and provided a new filter at no charge amazing customer support from an over seas niche company. I would not hesitate to purchase any hygger item especially now having dealt with their outstanding customer service ... show more
Reviewed in the United States on September 4, 2024 Reviewed in the United States on September 4, 2024 by Daniel

  • Great Product
Size: 300W for 40-80 Gallon
I've been using this for several years and it's still working great.
Reviewed in the United States on April 6, 2026 by Mj

  • Pretty Good Product
Size: 300W for 40-80 Gallon
It maintains the optimal temperature for my plants
Reviewed in the United States on January 27, 2026 by Palmsup4Life Music/Publishing

  • Very accurate and stable temperature
Size: 300W for 40-80 Gallon
Excellent heater, the separate temperature gage I have agrees with the temperature that I set on this. The temperature is kept much more stable in my tank with this heater than my previous one.
Reviewed in the United States on February 19, 2026 by Spencer Carriveau

  • Very nice product
Size: 300W for 40-80 Gallon
Seems to be holding temp very well. Nice sturdy construction.
Reviewed in the United States on April 21, 2026 by Baumann

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