Daisy
Last Updated: Feb 8, 2026
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| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.85 | ✅ | ✅ | ✅ |
Replacement heater rod for HG-802-500W
Made from titanium heating element, Shatterproof construction, Corrosion Resistant, with 2 suction cups
Must be used with Hygger 802-500W heater controller (Note: the controller is excluded)
Ideal for used in freshwater and saltwater aquarium
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
【Run Dry Protection】This egg-shaped small aquarium heater automatically shut itself off once it come out of water which ensures the safety of your pet, especially turtle and frog
【Protective Guard】Made of high quality quartz glass, waterproof double seal material, covered with protective case, shatter-resistant construction, this fish tank heater keep your fish from scalding and punching
【Digital LED Display】External temperature setting control avoids getting hands wet, digital LED display shows real time water temperature. Heating temperature range from 63 to 94°F. Control accuracy is +/- 1°F.
【Automated Shut Off System】Once you set the desired degree of heat, this fully submersible heater lights on red and begin to heating. It will auto shut off once it reach set temperature
【For Fish Tank 1-6.5 Gallon】50 watt aquarium heater is ideal for small fish bowls and aquariums 1 to 6.5 gallons; voltage/frequency: 110 120volt/60hertz; it is ideal for betta fish and turtle tank
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jnkany | 9.85 | ✅ | ✅ | ✅ |
🐟RAPID HEATING: Faster warming by seconds, the heater material is explosion-proof quartz glass, and nickel-chromium heating wire materials has higher thermal energy efficiency, and then conducts heat through silicon carbide material, is safer and more durable to use. High temperature resistant plastic cover, not easy to deform, and has very strong corrosion resistance.
🐟FREQUENCY ENERGY-SAVING: Auto reduces power when approaching the set tempe, by heated at 10% to 30% power, fully utilizes thermal energy inertia to smoothly reach the set tempe, saving energy. The external controller is easy to operation, every press changes the set tempe by 1℉, ranges from 59℉(15℃) to a max of 93℉(34℃) in order to meet your needs.
🐟INTELLIGENT THERMOSTAT: Over-temperature protection prevents "cooking fish". When the water temp exceeds about 95 °F, flashing 95 number code, red and green light flash together; and over 93℉, the heater will stop heating automatically. When the water temp cool down to below 93℉, the heater will start working auto.
🐟ANTI-DRY PROTECTION: Intelligent temp sensing, when the heater is exposed to air, display ER fault code and the heater will shut off automatically. When the heating rod is completely immersed in water, it will start working automatically. Effectively extend the service life. It has a power-off memory function and no need to set it again.
🐟STRONG SAFETY PERFORMANCE: Build-in intelligent LED digital temperature display. Built-in three temperature probe, real-time monitoring of water temperature, temperature accuracy of ± 1 °F. Strong suction cup bracket, can stably fix the heater in every corner of the fish tank. Suitable for freshwater and saltwater.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
【External Digital Display Controller】With its easy-to-use LED digital screen simultaneously displays the set temperature and the current aquarium temperature. You’ll be able to set temperature up in a healthy range of 59 to 93°F with button and monitor how well the heater is doing its job in real-time.
【Double Tubes Heating Element】Featuring 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 won’t get burnt.
【Running-Dry Shut Off Protection】This 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 Protection】This fish tank heater automatically turns off and displayed “HH” error code once the water temperature reaches 95°F. Until it drops to the set temp. Accurate temperature controls within 1°F difference.
【Works in both Freshwater and Saltwater Tank】The 800 watt aquarium heater can be used to heat for a 80-190 gallon aquarium. The package included two suction cups that easily installed vertically or horizontally underwater below 5 inch.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
{ RUNNING DRY & OVER-HEAT PROTECTION } This fully submersible fish tank heater maintains proper temperature for your fish in a safety way, auto shut off when over-heats, resets when it cools down. The heater will shut off when removed from the water, and resume functioning upon return
{EASY TO READ LCD DISPLAY} Build-in external temp controller, easy to read LED digital number shows real time water temperature and set temperature. Indicator light let you know when the heater is on. It will be red when heating and green when the proper temperature has been reached
{SHATTERPROOF HEATING ELEMENT} shatterproof titanium tube construct heats fast, nealy unbreakable for freshwater aquariums only. ABS plastic protective sleeve prevents fish from being scald
{EASY TO USE} Easy to set temperature without getting hands wet. Just keep pushing the button. It will cycle through all the set temperatures. Temperature can be precisely adjusted from 70 to 94°F, electronic thermostat accurate to +/- 2 degrees Fahrenheit differences
{FOR 60-120 GAL} 500 watt aquarium heater, voltage 110-120 Volts, heater rod 7.9 inches long, suitable for tank capacity 60-120 gallon freshwater aquariums
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
This fully submersible aquarium heater enables memory function and over heat protection. Auto shut off when over-heats, resets when it cools down
Made with premium titanium and double sealed by black protective guard, this fish tank heater is resistant to explosion, and protect fish and other livestocks from punching and scalding
Build-in external IC temp controller, easy to read LED digital number shows real time water temperature. Temp accuracy is +/- 1°F.
Easy to set temperature without getting hands wet. Build in hand button, Keep pushing the button. It will cycle through all the set temperatures. Temperature can be precisely adjusted from 70 to 94°F
500 watt aquarium heater, voltage 110-120V, suitable for tank capactiy 60-120 gallon freshwater aquariums and turtle tanks
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
This fully submersible aquarium heater enables memory function and over heat protection. Auto stop heating when over-heats, resets when it cools down.
Made with premium quartz and double sealed by black protective guard, this fish tank heater is resistant to explosion and corrosion, and protect fish and other livestocks from punching and scalding
Build-in external IC temp controller, easy to read blue LED digital number shows real time water temperature. Heat indicator lights on red when fish heater start to heat and turns in yellow once it reach set temperature. Temp accuracy is +/- 1°F.
Easy to set temperature without getting hands wet. Temperature can be precisely adjusted from 61 to 90°F (16°C ~ 32°C). Just press set button to desired temperature, it blinks 3 seconds and begins to work
200 watt aquarium heater, voltage 110-120V, suitable for tank capactiy 15-30 gallon freshwater and saltwater aquariums
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Jnkany | 9.85 | ✅ | ✅ | ✅ |
TEMP SETTING GUIDELINE: DO: Rotate left and right to adjust the temperature, easy to adjust, the range is 68℉~93℉. SEE: temperature scale setting guide bar. Working indicator light, plug in the power, the working state is more intuitive.
SAFETY CERTIFICATE: ETL Certification, hygger provide the most effective guarantee for your fish tank. Thickened Quartz Protective Glass; Bottom Protective Cover; Stable Suction Cup; Double Seal; Precision Welding; No Leakage Of Insulation;
WORKING PRINCIPLE: The hygger THERMOSTAT HEATER stops when the surrounding water temperature reaches the set temp, and starts to work when the surrounding water temp is low, and it cycles over and over again to achieve equilibrium. It is not a traditional heater that has been heated all the time.
PRODUCT PARAMETER: Cord Length: 5.9ft; Voltage:120V AC 60Hz; Watts:50W/100W/200W/300W; the temperature range is 68℉~93℉; Can be used in various tanks, coral saltwater, and small betta freshwater tanks.
QUALITY GUARANTEE: 2mm thick glass tube, heat conduction is more even, anti-collision, explosion-proof and corrosion-resistant, dual-purpose for betta freshwater and saltwater. The high-efficiency heating wires have a large area and are arranged tightly to increase the heating area and transfer the heat evenly.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
Safe Rugged Construction -- Built in shatterproof QUARTZ tube wrapped with two heating element mica plate and nickel wire, along with high-impact plastic housing, hygger submersible Aquarium Heater ensures the safety of your pets while maintaining proper temperature.
At-A-Glance Temperature Display -- heater rod shows real time water temperature and indicator light. It will be red when heating, green light when the proper temperature has been reached.
External Knob Controller Memory Function -- allows you quick set temperature without getting hands wet especially in winter, adjustable wide temperature range of 59°F to 93°F in 1-degree increments. Memories last setting when you unplug it to water change.
Out of Water Shut Off Protection -- feature to ensure it doesn’t overheat and cause harm to your livestock. Turn off before it exceeds desired temperature. Shatterproof plastic guard protects fish/turtle from impact and making contact, easy to detach to cleaning
Great For Small, Shallow Tank -- slim flat profile mini tank heater measures 4.3''x 1.8''x 0.9'', which is quiet space saving and easy to hide behind filter/wood/rock with two strong suction cups mount. Thanks to the flat design, it can be placed vertically or horizontally at gravel free aquarium bottom to heat up low water level turtle tank.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| usmagob | 9.84 | ✅ | ✅ | ✅ |
500W replacement heating element for hygger 925 heater
Must be used the heater rod with 925 heater controller or other controller
Made from quartz glass heating element, with 2 suction cups
Shatterproof plastic guard protects your fish from directly contact with heater rod
Safe ground plug design
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| AquaFocus | 9.80 | ✅ | ✅ | ✅ |
【Explosion-proof and anti-corrosion aquarium heater】Heating rod heating body is made of explosion-proof quartz glass, nickel-chromium heating wire and silicon carbide heat-conducting material, and the fish heater shield is made of high-temperature resistant ABS material. Manufactured into a tank heater that is anti-corrosion, non-leakage, non-conductive, explosion-proof, and makes water heating faster.
【Safety Guarantee】This full immersion aquarium heater build-in two temperature probe, when the fish heater is out of water or over temperature, it will automatically stop heating and send out a warning signal L1 or HH. And the heating rod will restart after it is completely submerged in water or cooled Work.
【INTELLIGENT THERMOSTAT】 When the actual temp is lower than the set temp of the fish tank heater by 1.5°F/1.5°C, the indicator light will turn red, the fish tank heater will heat up to the set temp at full power, and the indicator light will turn blue color, then stop heating.Temperature Ranging from 59℉ to 93℉.
【External Smart HD Controller】External controller with LED digital display, without getting hands wet. Each press of the submersible heater will change the set temperature by 1℉(1℃). Press and hold it for 5 seconds to toggle between Celsius and Fahrenheit.
【Full Submersible Heater】100w aquarium heater is suitable for 5-26Gal fish tank freshwater and saltwater tanks. Memory function it remembers the temperature you set it when the power fails. THREE suction cup bracket, can stably fix the heater in every corner of the fish tank.e changing water or removing heater. Make sure the heating rod is completely submerged in water and there is enough water flow and water circulation in fish tank when using the heater
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Hygger | 34 |
We've carried out a comprehensive analysis of 10,084 reviews on heaters, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select heaters priced around $39.53, with top brands including and
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