The Hydor In-Line External Fish Tank Heater is manufactured by Hydor, which was founded in 1984.
From a small manufacturer producing hanging filters, the company expanded its product portfolio in the 90s and today, it offers a wide range of innovative, high-quality products such as filters, heaters and pumps for aquariums.
About The Product
If you are looking for an aquarium heater that is compact and does not occupy space inside the aquarium, then the Hydor In-Line ETH aquarium heater is the best buy. The heater operates as an external unit and saves space inside the aquarium.
The Hydor In-Line External aquarium heaters are among the first fish tank heaters that have been designed with the innovative PTC technology.
The Positive Temperature Coefficient or PTC is Hydor’s exclusive, patented heating technology system that has a self-limiting factor, which ensures maximum safety against overheating of the heating element and prevents any risks caused due to overheating.
source: hydor.com
The PTC technology of the Hydor In-Line ETH aquarium heater ensures that if the heating element is removed from the aquarium or if the element malfunctions in some way, the PTC film in the heater switches into the self-protection mode automatically to ensure that the heater is 100 percent safe and secure.
The Hydor In-Line ETH fish tank heater has an internal pump system that provides excellent heating efficiency and also prevents any fluctuations in the temperature. The aquarium heater is ideal for use in marine and freshwater fish tanks.
The aquarium heater can be easily adapted for usage in any situation which requires water to be heated including dry and wet sumps. The Hydor In-Line ETH aquarium heater works best when positioned vertically and you can easily install it in a wet or dry sump or a canister, which enables the better and even distribution of heat when the water returns to the fish tank.
The Hydor In-Line ETH fish tank heater can fit most of the canister filters like the Rena Filstar, Hydor Prime, Fluval canisters and Eheim canisters, and all you need is a short piece of tubing in order to complete the connection.
The heater has inbuilt clamps which facilitate easy plumbing and the temperature of the heater can be adjusted in the range 65°F-93°F by making use of the ergonomic knob located on the heater.
The Hydor In-Line ETH aquarium heater is UL listed, which makes it completely safe for use and even if the heater is left turned on without water, it will shut off automatically to prevent any damage.
The plastic casing of the heater is tough and durable and protects the inline heaters internal elements. The heater features an indicator light, which gets illuminated when the heater is in operation.
The temperature consistency of the Hydor In-Line ETH aquarium heater combined with its durable and rugged construction makes this heater a “must buy.”
What Customers Are Saying
On Amazon, the Hydor In-Line ETH aquarium heater has received a 4.1 out of 5 stars rating and plenty of excellent reviews.
source: hydor.com
Customers found that the Hydor In-Line ETH aquarium heater is a fantastic alternative for conventional aquarium heaters and is excellent to heat large-sized aquariums.
Users found that the ability to place the in-line heater in the canister or under the aquarium, a big plus, as it reduces the clutter from inside the aquarium with one item less, giving more space for the fish and it also does not hamper the beauty of the tank.
Customers found the heater very easy to install by just hooking it to the return line of the aquarium and also found the accuracy of the heater to be excellent. They found the heating to be even, working of the heater very consistent and no risk of the water getting overheated.
What To Look Out For
The heater may spring a leak if the glass tubing is broken and users found that water entered the aquarium heater unit.
Many users found the concept of the in-line heater great, but when it came down to the actual product, the heaters did not work at all or stopped working after a few days.
Consumers found that the heater was not durable and did not last long and the glass interior of the heater is prone to breakage.
Buying Advice
The Hydor In-Line ETH aquarium heater may be pricier than the other models on the review at around $55 on Amazon. However, the superior features of the heater make it worth the price. You can buy the Hydor In-Line ETH aquarium heater online from Amazon which also offers free shipping on the heater.
The Verdict
The Hydor In-Line ETH fish tank heater has all the features required for the precise and safe maintenance of temperature in your aquarium. The high-quality materials of the heater and the innovative technology guarantee a reliable and a safe product that will definitely last you for years to come.
Our Rating