hygger 300W Aquarium Heater, Upgraded Submersible Fish Tank Heater with Dual Protection System & LED Digital Display, with Automatic Power-Off Function, for 40-80 Gallons Freshwater and Saltwater Tank

Product description

1 Out Off Water Protection

2 Over/Low Temp Protection

3 Memory Function

4 Precise Temp Control

1 Install Properly 2 Wide Application

PRODUCTSPECIFICATIONS

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Add to Cart

Customer Reviews

4.8 out of 5 stars 12

4.6 out of 5 stars 7

5.0 out of 5 stars 6

3.7 out of 5 stars 5

4.6 out of 5 stars 8

Price

$49.99$49.99

$53.99$53.99

$58.99$58.99

$65.99$65.99

$69.99$69.99

Power

300W

500W

800W

1000W

1200W

Color

All Black

All Black

All Black

All Black

All Black

Application

40-80 Gal (152-302L)

66-135 Gal (250-343L)

80-220 Gal (302-383L)

130-260 Gal (492-984L)

160-280 Gal (600-1060L)

Out off Water Protection

✔

✔

✔

✔

✔

Over Temperature Protection

✔

✔

✔

✔

✔

Low Temperature Protection

✔

✔

✔

✔

✔

Memory Function

✔

✔

✔

✔

✔

Temperature Range

59℉-93℉

59℉-93℉

59℉-93℉

59℉-93℉

59℉-93℉

Heater Dimension

10.8″ x 2.9″ x 1.1″

10.8″ x 2.9″ x 1.1″

10.8″ x 2.9″ x 1.1″

10.8″ x 2.9″ x 1.1″

10.8″ x 2.9″ x 1.1″

Product Dimensions ‏ : ‎ 10.8 x 2.9 x 1.1 inches; 2.27 Pounds
Item model number ‏ : ‎ HG275
Date First Available ‏ : ‎ September 25, 2025
Manufacturer ‏ : ‎ hygger
ASIN ‏ : ‎ B0FSL73V33
Best Sellers Rank: #49,900 in Pet Supplies (See Top 100 in Pet Supplies) #103 in Aquarium Heaters
Customer Reviews: 4.8 4.8 out of 5 stars (12) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Upgraded Dual Temperature Control System Aquarium Heater: This aquarium heater is equipped with 2 intelligent protector. Even if one protector fails, the other will continue to operate to prevent damage to the product and its circuitry, avoiding overheating and “cooking the fish”. This dual protection of the aquarium heater greatly ensures the safety of you and your aquatic organisms
Beep Alarm, Comprehensive Protection: This heater has a unique intelligent water and temperature sensor system, providing comprehensive protection: ①Over-temperature alarm: When water temperature exceeds the max temperature 94℉, it shows “HH” and automatically stops heating. ②Off-water alarm: When the water level is lower than aquarium heater’s water level, it flashes “Auto Shut Off” and automatically stops heating. ③ When the water temperature is below the min temperature 58℉, it shows “LL”
External Controller with LED Digital Display: The tank heater with a LED temperature controller, It clearly shows the real-time water temperature, set temperature, operating power, error codes, and heating status. You can monitor the water temperature and set temperature in real time. Variable temperature settings range: 59-93℉. Each press will change 1℉. The external control reduces the risk that water gets in and burn out the heater, and allows you to adjust the heater without getting hand wet
Premium Safety & Durability: This fish tank heater uses explosion-proof quartz glass, combined with a high-temperature resistant nickel-chromium heating wire and a quartz sand heat conduction, resulting in faster water heating and more even heat distribution. The strong black ABS protective shell is easier to hide, and effectively protecting both you and your aquatic pets from scalding
300W Aquarium Heater for 40 to 80 Gallons: The 300 watt aquarium heater produces stable power with quick heat up. It’s length is 10.8”, power cord is 10.1ft. It is suitable for 40 to 80 gallons tank, can be used for saltwater and freshwater aquariums, fish tanks, turtle tanks, small ponds, and so much more. Please select the appropriate heater according to our size chart. If there is any problem with our product, please contact us, we are happy to provide you with after-sales service.