hygger Aquarium Heater, 50W/100W/150W/200W Adjustable Power Fish Tank Heater with Auto Power-Off and High-Temp Protection, Upgraded Titanium Turtle Tank Heater for Saltwater and Freshwater

Product description

Out of Water Protection

Condition: If the heater is removed from the water, it will automatically shut off and stop heating to prevent dry burning; the LED screen will display error code “EE” and the “Out of water” icon will flash.

Recovery: Automatically resumes normal operation upon water detection.

Over-temperature Protection

Condition: When the water temperature exceeds 96.8°F, the heater automatically stops heating and the “Fault” icon flashes.

Recovery: Normal operation resumes when the temperature drops below 93°F.

Freely Switch the Heater’s Power Output

Our heater supports four power settings: 50W, 100W, 150W, and 200W. Simply press and hold the “set” button to switch power levels as needed.

Temperature Setting Range: 59°F – 93°F.

Ultra-sensitive heater with a temperature control accuracy of ±0.5°F.

Dual Temperature Control System

If one of the temperature control systems fails, the other system automatically activates to ensure that heating continues or ceases. This extends the service life of the equipment and prevents “boiling the fish”.

Dry-Burn Protection

Our heater features dual dry-burn protection sensors (positioned at both the top and bottom), making them ideal for horizontal installation in low-water-level aquariums or sump tanks.

Suitable for Low-Water Turtle Tanks

Heater Thickness: 1.5 inches, ideal for use in turtle tanks with low water levels.

Conveniently attach the fish tank heater securely to tank using included suction cups.

Our aquarium heaters feature titanium material, which has excellent resistance to corrosion from seawater and various chemical substances; they are the ideal choice for freshwater, saltwater, and other aquariums with specific water quality requirements.

Warm Tips:Please always keep heater fully submersible in the water.When changing water, please unplug the power supply first to avoid the heater dry running then melting shell.Before take out the heater, please disconnect power and wait for the heater to cool down.

Product Dimensions ‏ : ‎ 5.9 x 2.3 x 1.5 inches; 1.1 Pounds
Item model number ‏ : ‎ HG308
Date First Available ‏ : ‎ December 15, 2025
Manufacturer ‏ : ‎ hygger
ASIN ‏ : ‎ B0G6Y8WZZ7
Best Sellers Rank: #49,119 in Pet Supplies (See Top 100 in Pet Supplies) #103 in Aquarium Heaters
Customer Reviews: 4.2 4.2 out of 5 stars (13) 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); } }); });
Adjustable Power: This aquarium heater allows easy power adjustment—press and hold the setting button to switch between 50W, 100W, 150W, and 200W. It fits all aquarium sizes, from small desktop ones to large tanks, and adapts to different seasonal needs. This all-in-one design saves you extra costs
All-Round Safety Protection for Your Aquarium Heater: It has a dual temperature control system—if one system malfunctions, the other will automatically activate to prevent overheating and “cooking” the fish. Furthermore, it has double-sided water shortage protection: it automatically stops heating when out of water to avoid dry burning, and restarts once submerged again. Suitable for horizontal installation in low-water-level aquariums; especially suitable for frog, salamander and turtle tanks
±0.5°F Precise Temperature Control: This fish tank heater provides accurate temperature control to within ±0.5°F, keeping your aquarium water consistently stable. If it keeps heating slightly as it nears your set temperature, don’t worry — this is completely normal for its high-precision design. The included external controller lets you easily adjust the target temperature from 59–93°F. Ultra-precise heating ensures your fish are healthy and happy
Premium Titanium Heater: This fish tank heater is made of high-quality titanium, which is more corrosion-resistant, explosion-proof, safe and durable than other materials. Its large-area titanium heating element enables faster, more uniform heating for stable water temperature, while the thickened ABS shell further enhances its durability, making it ideal for long-term use in both saltwater and freshwater fish tanks
User-Friendly Design & Easy Installation: Featuring reliable dry-burn protection, this fish tank heater automatically shuts off when the temperature exceeds 97°F, effectively avoiding overheating risks and keeping your aquatic pets safe at all times. It is simple to install with strong suction cups for a firm hold, preventing the heater from being moved by active reptiles for stable and worry-free use.