hygger Aquarium Heater 300W/500W/800W/1000W, Submersible Fish Tank Heater with Digital LED Controller and Intelligent Leaving

4.3 4.3 out of 5 stars | 1,338 ratings

Price: 47.99

Last update: 12-16-2024


About this item

????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 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; LL-low 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!
????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.

Product information

Technical Details


Top reviews from the United States

derick
5.0 out of 5 stars Works great
Reviewed in the United States on December 2, 2024
I've had this heater for a bit over a month now. Works great. I have the heat set to 78 and when the temp drops to 77 it kicks on until the tank hits 78. I like the display, I feel like I have better control of the temp.
Customer image
derick
5.0 out of 5 stars Works great
Reviewed in the United States on December 2, 2024
I've had this heater for a bit over a month now. Works great. I have the heat set to 78 and when the temp drops to 77 it kicks on until the tank hits 78. I like the display, I feel like I have better control of the temp.
Images in this review
Customer image
hunt
5.0 out of 5 stars So far this has been perfect.
Reviewed in the United States on November 13, 2023
It's supper easy to use. Very plug and play. I had read the reviews and seen a lot saying it was off 2 or 3 degrees but could test water and then set it accordingly.

When I showed up I used 3 different digital thermometers and one manual mercury. All the digital had the same reading as the heater. And the manual was one degrees lower or less. Hard to tell if was .5 or 1.0.

I ran a hot fire last and my tank was getting to hot as they are in the same room and I could see it's temperature going up..... it got to 82 before I had to start cooling the tank.
When it drops down under the set temp it kicks on to 500ish wats and heats the tank rather quickly to 79.

Cons....
I tried to set it horizontal and it started to alarm out almost instantly. The temperature read 98° almost instantly. I wanted to hide this behind rocks in the main tank instead of the sump. Stuck to the back wall sideways it would misread and alarm. Bummer as it would need to be sideways in my sump if I put it there also.
Not enough to doc a star but disappointed.

Also control cable is a little short. Not bad but it would be a little convenient if had another 12"

In the end I believe most of the bad reviews of melting are user created. Like left on or removed from water before it had cooled.
Customer image
hunt
5.0 out of 5 stars So far this has been perfect.
Reviewed in the United States on November 13, 2023
It's supper easy to use. Very plug and play. I had read the reviews and seen a lot saying it was off 2 or 3 degrees but could test water and then set it accordingly.

When I showed up I used 3 different digital thermometers and one manual mercury. All the digital had the same reading as the heater. And the manual was one degrees lower or less. Hard to tell if was .5 or 1.0.

I ran a hot fire last and my tank was getting to hot as they are in the same room and I could see it's temperature going up..... it got to 82 before I had to start cooling the tank.
When it drops down under the set temp it kicks on to 500ish wats and heats the tank rather quickly to 79.

Cons....
I tried to set it horizontal and it started to alarm out almost instantly. The temperature read 98° almost instantly. I wanted to hide this behind rocks in the main tank instead of the sump. Stuck to the back wall sideways it would misread and alarm. Bummer as it would need to be sideways in my sump if I put it there also.
Not enough to doc a star but disappointed.

Also control cable is a little short. Not bad but it would be a little convenient if had another 12"

In the end I believe most of the bad reviews of melting are user created. Like left on or removed from water before it had cooled.
Images in this review
Customer image Customer image
Cheryl Sousi
5.0 out of 5 stars Great koi pond heater
Reviewed in the United States on November 27, 2024
I just received this item today . I tried it out and it worked exactly like it should . My koi pond water temperature rose a few degrees very quickly . It shut off when it reached the desired setting . So far I’m very pleased . I’m in South Florida so I won’t need it very often. However, When we do have some colder nighttime weather I’ll be using it in my koi pond . I’m sure my koi will be happy since they don’t really like 65 and below water temperatures.
Richard
5.0 out of 5 stars Warranty Return
Reviewed in the United States on December 1, 2024
I purchased a 1000W Hygger aquarium heater in November 2023. It is by far the best heater I have ever used in my aquarium. Unfortunately, the heater stopped working a year later. So, I contacted Hygger and asked them if they could send me a new one at no charge because my malfunctioning heater was still under warranty. They said yes and promptly sent me a new one. I wouldn’t hesitate to purchase more items from Hygger. They honor their warranty and are very easy to work with.
LC
4.0 out of 5 stars Great heater can be made perfect
Reviewed in the United States on January 25, 2024
This is a very good and top performing heater. It has a digital LED display controller with a nicely designed UI displaying the current tank temperature, pre-set temperature, heater on red circling border indicator, power consumption and a low water alarm.

It warms up the water in my 100 gallon quarantine tank pretty efficiently and keeps the temperature steady at the pre-set temperature. As the instructions warned, make sure there is good water circulation in the tank when using this heater, otherwise it may end up making chowder! Since hot water stays on the top and cold water sinks to the bottom, if there is no water circulation from bottom to top or vice versa, the heater placed in the bottom would continuously heat the water to a much higher temperature than the one pre-set.

The only one issue that I have with this heater is the operating temperature range, which is factory set to 59 - 95. While most people would find this range is more than adequate, however, it falls short for my application. I want to graduately lower the temperature from 72F to match that in the outside pond which is about 36F in the winter, so that the quarantineed kois can be released in the pond. Now plan B is needed!
twofive
5.0 out of 5 stars Recommend!
Reviewed in the United States on November 3, 2024
I really love this 500W heater. It has a big LCD screen has all information you need including the set temperature and the actual temperature. Compare with my other temperature monitor it’s accurate. It also has the auto off function with warning sound when the water level is low for safety. High quality, easy to use, worth for the price.
Customer image
twofive
5.0 out of 5 stars Recommend!
Reviewed in the United States on November 3, 2024
I really love this 500W heater. It has a big LCD screen has all information you need including the set temperature and the actual temperature. Compare with my other temperature monitor it’s accurate. It also has the auto off function with warning sound when the water level is low for safety. High quality, easy to use, worth for the price.
Images in this review
Customer image Customer image
Karl Spackler
5.0 out of 5 stars Hygger stands behind their product
Reviewed in the United States on November 14, 2024
This heater worked great for me until one day it just wouldn’t turn back on. When I contacted Hygger, they were very helpful and replaced my heater under their warranty. I was happy with their responsiveness and how quickly they handled it.
Roberto J. Ibarra
3.0 out of 5 stars Died in a year/Then revived
Reviewed in the United States on November 26, 2024
Worked well at first and kept relatively good temp. It’s doesn’t read well in a current or around the filter. Died in a year. Started beeping and I unplugged to reset and never turned back on.
Update…I managed to reset it and it turned back on and now working normally. But with the issues it’s had still gets the same stars. If I had more sensitive fish and inverts, they’d be dead with the drastic fluctuations.

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