The leader in aquatic products, Fluval’s innovative products are renowned for their high quality, reliability and superior design. Fluval E Electronic aquarium heaters are an excellent aquarium heater line that is loaded with advanced features.
About The Product
Fluval E Electronic aquarium heaters are probably among the most advanced aquarium heaters available in the market. The submersible heater is equipped with digital microprocessor technology that monitors and displays the temperature of the water in the aquarium continuously.
They have a thermal sensor, which samples the water temperature continuously for greater reliability and precision.

source: fluvalaquatics.com
Fluval E series aquarium heaters are available in 4 different sizes 50, 100, 200 and 300 watts and is resistant to wear and corrosion and is also shatterproof, which prevents it from getting damaged. The heater can handle a temperature range between 68°F-93° F.
The best feature of the Fluval E model of electronic aquarium heaters is the fact that they have dual temperature sensors that keep track of the temperature of the water in the aquarium in real-time. The heater has a unique color-coded feature that alerts you to any temperature changes.
If the temperature of the water varies by -/+2oF from the preset temperature, the color of the readout will change. For instance, the green light indicates the safe zone, the red light is a high-temperature alert and blue light denotes that the temperature is very low.
The LCD display of the heater lets you monitor the temperature and it offers the versatility of displaying the temperature in both Celsius and Fahrenheit. The heater has a “fast heat” technology that ensures that the water in the tank is heated very quickly and the safety shut-off feature turns off the heater in the case the water gets too hot.
The Fluval E Electronic aquarium heater has a convenient adjustment lever, which allows you to adjust the temperature in increments of 0.5 degrees to ensure greater precision. The heater is equipped with an integrated protective guard, which offers advanced protection to the inhabitants of your aquarium.
The sleek and slim build of the Fluval E Electronic aquarium heater ensures that it does not take up too much of space in the aquarium and the heater is very easy to install, thanks to the mounting bracket that comes along with it.
The Fluval E Electronic aquarium heater is indeed an excellent aquarium heater suitable for freshwater and marine aquariums. Overall, this is a durable and sturdy heater, which is sure to last you for a long time.
What Customers Are Saying
The Fluval E Electronic aquarium heater has received an overall rating of 3.9 stars out of 5 on Amazon with 60% 5-star ratings.

source: fluvalaquatics.com
Customers found the setting up of the heater very easy and also claimed that it worked without any problems. The heater is quite accurate and the fluctuations are very small, around ½ a degree.
Users found the plastic shell of the heater quite durable and prevents the glass from getting damaged. They also found the heater’s digital display very easy to read.
Although customers found the Fluval E Electronic aquarium heater to be more expensive compared to the traditional glass tube heaters, the convenience of just turning on the heater and forgetting about the fluctuations in the temperature is worth the price.
What To Look Out For
Although the VueTech technology of the Fluval E Electronic aquarium heaters has been advertised quite a bit, there have been instances where both the thermostat as well as the LCD screen have had malfunctions.
There have been occurrences of display of inaccurate readings, which may cause under or overheating of the water, which can be quite hazardous for your pets.
The Fluval E Electronic aquarium heater may not be suitable for placement in areas where the water flow is very high.
It is recommended that you do not position the heater in the horizontal position and using it in the horizontal position can cause the warranty to become void.
Buying Advice
The price of the Fluval E Electronic aquarium heater is on the higher side compared to other models in the market and in some pet sizes and hardware stores, some of the larger sizes of this aquarium heater can cost up to $60.
So, it may be a good idea to buy your heater from Amazon, where the price of the largest size of the aquarium heater is around $50 along with free shipping to your doorstep.
And, the product also comes with a 5-year warranty to give you ample peace of mind.
The Verdict

source: fluvalaquatics.com
One of the most important factors when it comes to your aquarium at home is keeping the temperature stable without any fluctuations. And, the Fluval E Electronic aquarium heater is the best buy which can help you do just that reliably and accurately.
Our Rating
