You cannot run a successful fish aquarium without aquarium heater whether you are freshwater aquarist or you are going with saltwater tanks. In both of tanks every fish species needs an optimum temperature for better life & growth.
Yes. Heaters are the must-have instrument for any aquarium.They are the best tool to maintain and regulate water temperature of your aquarium. Fishes are cold-blooded species; this means they lack the ability to regulate their body temperature according to their environment like we humans do. That’s the reason aquarium heaters are the must-have.
Meet me. An aquarium heater. Are you curious to know more about me?
I am aquarium heater and I am supposed to heat up your fish tanks for the health and well-being of your aquatic pets.
People prefer to install me in their tanks because of their fishes. These small aquatic animals need proper temperature for their health.
If they are not provided their required temperature they will become sluggish and will fall ill soon.
You can find me in different shapes and types. Don’t get confused, let me introduce my every type with you.
- Types of Aquarium Heaters
- The Best Aquarium Heaters Reviewed
- Tetra HT – For small Aquariums
- AquaTop Quartz Glass Submersible Heaters
- Penn Plax Aquarium Heater Fully Submersible
- Aqueon Submersible Aquarium Heater
- Eheim Jager Aquarium Thermostat Heater
- MarineLand Precision Heater for Saltwater or Freshwater Aquariums
- Hydor In-Line External Heater – Original ETH
- Fluval E Electronic Heater
- Aqueon Adjustable Pro Aquarium Heater
- Hygger Titanium Aquarium Heater
- Finnex Deluxe Titanium Tube Heater with Guard
- Catalina RF-1000T Heat Controller and 1000 watt Titanium Heater
- JBJ True Temp Titanium Heating System Kit for Aquariums
- Important Factors to Consider for Choosing Aquarium Heater
- Frequently Asked Questions Aquarium Heater
- Wrapping up!
Types of Aquarium Heaters
Usually, They are of three types only according to your tank size, power usage, functionality & placements. You can Choose the best fit for your aquarium according your fish tank size and the species of fishes you are keeping.
- Submersible aquarium heater
- Substrate aquarium heater
- In-filter aquarium heater
#1: Submersible Aquarium Heater
Among all, this type is the most common one. It’s small and compact in size. You can easily identify this. It will look like a rod. You can place this type either vertically or horizontally. Most importantly, it is completely submerged type.It is best choice for those who are finding mini fish tank heater.
#2: Substrate Aquarium Heater
Such type is ideal when you have small space in the tank because this aquarium heater type can be easily placed beneath the substrate. They are also called under gravel heaters. They are quite expensive that’s why they are not as much common as submersible aquarium heaters.
#3: In-filter water Heater
These type of heaters are placed inside the canister filter. They are perfect for that aquarist who loves to keep aggressive fishes as these fishes fight with instruments as well.
This was a brief and short introduction about me and my types.
If you are looking for an appropriate and high-end aquarium heaters for fish tanks then there is a glad tiding for you.
You have landed onto the right page.
This guide will disclose some best fish aquarium heater that you can install easily in your aquarium and makes your fishes healthy and active.
Here you go!
The Best Aquarium Heaters Reviewed
Tetra HT – For small Aquariums
One of the most reliable yet affordable tank heaters that you will find on the internet today.
It is from the banner of Tetra which is a reliable manufacturer of tank heaters.
This tetra HT heater is a submersible heater, with red and green indication light. The red light will keep you informed that heater is doing its work, whereas the green light will tell you that this heater has reached its desired temperature.
Moreover, it has built-in electronic thermostat that maintains the water temperature at 78F which is quite suitable for the majority of the tropical fishes.
The best part about this is, it can be installed vertically and horizontally as well.
Isn’t it amazing?
One more thing, you can fearlessly use it to heat up 2-10 gallons of water.
AquaTop Quartz Glass Submersible Heaters
Next in the line is from the house of AquaTop. The best part about AquaTop products is, all of their products are sold by their authorized dealers and online resellers. So there are 0% chances of any fake or replica of AquaTop, you will get a genuine product.
This heater that I m talking about is again a submersible heater which has a wattage of 50watt and can easily warm up a aquarium of 13 gallons. If you have a fish tank of 75 gallons then I will recommend you to buy Aquatop of wattage 300watt. It will efficiently warm up a large volume of water.
AquaTop Quartz glass heater can maintain and regulate the temperature between 68-93 F, which is ideal for tropical and freshwater fishes.
It features double insulation with high quality insulated glass. And you know what, you can easily adjust its temperature with the help of its knob. Temperature adjustment is just a matter of a few seconds.
Penn Plax Aquarium Heater Fully Submersible
Aqueon Submersible Aquarium Heater Well, Penn Plax is a manufacturer and distributor of high-end pet supplies. Their fish tank heaters are of immense quality.
Pen Plax aquarium heaters are available in wattage of 25 to 300 watt. It is so efficient in maintaining a temperature that it maintains with 1-degree accuracy. but if you are using 100 watts of heater then it can heat up 30 gallons of water easily.
It is a fully submersible heater which means you can install it vertically or horizontally, it’s up to your choice.
Moreover, you can read the temperature in both units that is Fahrenheit and Celsius on its easy to read gauge.
Temperature adjustment is quite easy you just have to rotate its dial and the heater will automatically adjust and maintain the aquarium temperature.
In addition to this, it has an easy view on and off light which tells you either your heater is working or not. its made up of heavy-duty shock resistant glass with superior insulation, which means it will gonna distribute heat throughout the fish tank in an even fashion.
Aqueon Submersible Aquarium Heater
If you are looking for some heater that has safety features then grab your hands on Aqueon submersible Aquarium heater. This heater is quite different from the other heaters of the same class, because of the fact that it has automatic safety shut off and overheat protection feature. With this feature, you can save the lives of your fishes. Safety shut off feature, switches off the device once the water reaches to its desired temperature.
It is made up of shatter resistant material that is fully submersible which means you are free to install it either horizontally or vertically.
Furthermore, it has a small LED light that turns on when the aquarium heater is in working.
Though it’s available in wattage of 50- 300watt but you can easily use 150 watts of Aqueon heater in 55gallon of water.
The best part about this aquarium heater is, it comes with a lifetime warranty so whenever it gets out just claim its warranty. I am pretty sure you won’t need to buy another heater in your life if you have aqueon fully submersible aquarium heater.
Eheim Jager Aquarium Thermostat Heater
When it comes to durable aquarium heater Eheim Jager is the first name that strikes the mind.
It is way too durable and yet affordable aquarium tank heater.
It is an ultra-modern electronic heater that is fully submersible and maintains a constant warm temperature in your tank.
You will be amazed to know that it is made up of laboratory grade shatterproof glass which can withstand severe temperature fluctuations for hours. Moreover, the outside glass jacket ensures even heat distribution throughout the tank.
It has TruTemp Dial for adjusting the temperature, it can easily maintain and regulate the temperature between 65-93 F. with the help of TruTemp Dial user can easily calibrate the temperature with an accuracy of 0.5C.
This amazing rod-like heater has an astounding feature of Thermo Safety control; that protects it from running in dry conditions. This feature will shut off the heater as soon as it is taken out of the water.
Besides this, for secure placement, this device comes with suction cups that stick to the wall of the tank and provide fixed and flexible placement.
MarineLand Precision Heater for Saltwater or Freshwater Aquariums
Next one on my list of best aquarium tank heater if MarineLand Precision Heater.
This heater is ideally designed to be used for both saltwater and freshwater aquarium tank. it is so precise in controlling and maintain fish tank temperature.
Like other heaters on the list, it is rod-like and fully submersible but it has an advanced heating element that contains a mica core surrounded by a mesh heating element. This heating element will give superior and efficient heat transfer to aquarium water and it evenly heats up the entire water in the tank.
This is not the end, it has easy to read and adjust temperature control dial that sets temperature with an accuracy of 1F.
In addition to this, it has a thermal switch or you can say auto shut off feature, which protects the heater from overworking. This will automatically shut off the heater when the water reached to its desired temperature. Isn’t it amazing? You don’t have to monitor it for reaching its pre-set temperature, it will power off automatically.
Hydor In-Line External Heater – Original ETH
This heater that I m going to review will be the first on the list that uses Positive Thermal Coefficient (PTC) technology. It is simply amazing technology; it basically protects the heater from overheating and blowing.
Well, talking about its other feature, you will love this heater. The differentiating part is it is an inline heater which is quite different from the other submersible heater, so you have to place it outside the fish tank. You can even fix it inside the canister filter. It will warm up the water on its way back to the aquarium. It is specially designed to be used with canisters. This external heater is suitable for both tropical and marine tank.
The best part about the Hydor inline external heater is, it does not spoil the view of your beautiful and decorative aquarium tank since it is placed outside the fish tank. Because of this reason, it is a great choice for a small aquarium where space is an issue.
Fluval E Electronic Heater
The eighth one on my list of best aquarium heater is Fluval E heater. These heaters are so efficient. They monitor and regulate the fish tank’s temperature continuously. It is one of the ultra-modern electronic tank heaters because of the fact that it features VueTech technology.
Besides this, it has a color LCD screen which displays the real-time temperature. And you know what, it has a very unique feature of displaying temperature, if the temperature of aquarium water varies from the pre-set temperature, the temperature display color will change. This is an indication that there is a difference in pre-set temperature and aquarium temperature.
This heater is quite suitable to be used in a turtle tank because it has a fish guard which protects turtles and fishes to come in contact with the heater.
One of the most worth mentioning feature that this heater has, it has the ability to maintain and regulate the aquarium temperature between 68-93F.
You know what you have the freedom to read temperature either in Celsius or Fahrenheit.
Fluval E heaters are indeed worth buying but they are a little bit costly. I think its features and durability deserves this much cost.
Aqueon Adjustable Pro Aquarium Heater
One of the finest and top notch electronic aquarium heater on my list is the Aqueon Adjustable Pro heater. It’s a submersible heater which can be placed vertically or horizontally. It is a highly durable electronic heater which is built with shatterproof construction.
This heater provides a wide range of temperature setting starting from 68F to 88F. it is highly accurate with 1 degree of accuracy.
Like other expensive heaters, this one comes with safety shut off feature which protects it against any kind of overheating.
One more safety feature is it’s green and red indication light. The red LED light turns on when the heater is in working position and once the water reaches its pre-set temperature the LED light turns into green.
This super smart slim and rod-like submersible heaters come in wattage of 300 watt which is capable enough to warm up several gallons of water.
The best part about Aqueon Adjustable Pro heater is, it comes with a lifetime warranty. It means you can claim its warranty in any phase of your life. Wow!
Hygger Titanium Aquarium Heater
This one is quite different from the heaters on my list.
Hygger titanium heater comes in a set, which includes a heater, a digital thermostat controller and a thermometer.
The heater will be placed inside the tank whereas the thermostat will be kept outside the tank so that you can monitor and control the water temperature.
The heater is made up of titanium material that is lightweight, durable and totally corrosion resistant.
As far as its use is concerned, it is quite easy to use. And above all it is reliable. It shows accurate and real-time temperature.
Just set the desired temperature on the thermostat after successfully installing the heater. The thermometer with the heater detects the temperature of the tank and will start heating the water. As soon as it starts heating the red light will turn on. But after reaching on the pre-set temperature the heater will stop working, in order to avoid overheating.
The thermostat controller comes with a wide range of temperature control that is 32 to 104F. this 500-watt heater is ideal to warm up 60-120gallon of water.
Hygger titanium heater is indeed perfect for saltwater as well as freshwater aquarium.
Finnex Deluxe Titanium Tube Heater with Guard
If Hygger Titanium aquarium heater doesn’t fit into your pocket then I have another powerful aquarium heater which is quite pocket-friendly.
This heater is very powerful like the one I reviewed before. Its 500watt heater can easily warm up 130gallon of water.
Finnex Deluxe Titanium tube heater is ideal for big tank setups.
It is made up of titanium which is corrosion resistant and can be fearlessly used in salt water or fresh water.
This submersible heater has a protective external sheet which keeps the fishes and other aquatic animals safe from touching the hot rod. It does not have his own built-in thermostat, so you need to attach an external thermostat device. These devices are far more accurate than the built-in thermostats.
Finnex Deluxe heater is able to regulate temperature ranging from 70 to 92F. Deluxe version comes with an advanced controller and memory chip which helps to restore settings in case of power failure. Indeed it is one of the worth buying heaters.
Catalina RF-1000T Heat Controller and 1000 watt Titanium Heater
If still, you are looking for some highly powerful heater then I m pretty much confident that Catalina heat controller can quench your thirst.
Catalina RF-1000T heat controller comes in awesome wattage of 1000watt. Now you can imagine unlimited gallons of water that it can heat up in a few minutes.
This heater is a rod heater which is fully submersible and is made of titanium. Heaters that are made up of titanium are usually more durable than the others. It has a special coating that makes it corrosion resistant. It means pH fluctuations will not gonna affect your heater.
The amazing feature that I observed in this heater is, it has built-in the temperature sensing device. This device will sense the temperature of surrounding water or air, and will switch off the power supply once it feels that there isn’t any water in the surrounding. You can say it’s a safety feature that protects it against running in dry conditions.
Catalina RF-1000T titanium heater can heat up a maximum of 400 gallons of water. I would highly recommend this heater for large fish tank setups. It’s amazing.
JBJ True Temp Titanium Heating System Kit for Aquariums
The last one on my list is quite amazing but a little bit expensive.
This mind-blowing aquarium tank heater comes in a proper kit that consists of a digital controller, remote temperature sensing probe and a titanium heating element.
The temperature controller has a user –friendly LED display and a push-button control. It also has a red light that tells the working status of the heater. The True temp controller can maintain and regulate temperature between32-99F.
Titanium heating element has to be connected with the temperature controller. There isn’t any thermostat in the heating element it only has to heat up the water.
Since it is made up of titanium so it can be fearlessly used in saltwater and freshwater fish tanks.
Besides this, titanium heating element has a heating guard that protects fishes against touching the rod.
JBJ True Temp titanium heater is amazing for large tank setups that hold 100’s of a gallon of water.
Important Factors to Consider for Choosing Aquarium Heater
Frequently Asked Questions Aquarium Heater
Properly maintained water temperature is extremely very crucial for the well being of these small aquatic animals. As you are keeping them in small fish tanks as compare to large sea or lakes, so it’s your responsibility to provide them a more or less the same environment of which they are used too. In such condition, aquarium heaters are the most appropriate devices which give almost similar environment condition to fishes.
For your convenience, I have reviewed top rated and best aquarium heaters that will help you to make up your mind and buy one for your fish tank.