7 Best Submersible Water Heater for Turtle Tanks – Ultimate Buying Guide

The PERSUPER submersible aquarium heater is suitable for all shapes of aquarium be it square, cylindrical or bowl-shaped aquariums. Also, it goes well with plastic, acrylic, and glass aquariums. It is suitable for both freshwater and saltwater. It is available in two different power 100 Watts and 200 Watts. You need to consider the size of tank to select the appropriate one. It uses the quartz glass heating tube. The 100 Watts heater shall be suitable for 20 gallons of the tank and 200 Watts for 40 gallons tank.

This submersible water heater comes with an anti-scald protective cover with a gap width of 6-7mm. This prevents the turtle from coming in direct contact with the heated rod and getting burnt. It is very easy to operate. It comes with an external temperature controller, a built-in thermometer, and LED display which shows the temperature of the water.

The temperature can be adjusted between 68 degrees F – 94 degrees F (20 degrees C – 34 degrees C). The automatic constant temperature function starts the heater when the water is below the set temperature and stops once the water reaches the set temperature. Also, once the heater is out it will shut off. This is one of the best-featured water heaters for your turtle tank.

This 50 Watts submersible water heater is suitable for 3-15 gallons of turtle tank. It is available in different power 50 Watts, 100 Watts, and 150 Watts. You have to choose the right power as per the size of the turtle tank. The temperature can be adjusted in between 65 Degrees F – 93 Degrees F (18 Degrees C – 34 Degrees C). It has an external temperature controller which makes it easy to operate. This heater is best for small turtle tanks with little turtles inside it.

The additional features of this heater include LED displays which displays the temperature of the water in the tank. It has a power cord with a length of 5 feet. If there is a power cut-off, the memory function enables to set the temperature automatically to the preset temperature. It also has auto-stop functionality.

You have to make sure before operating the heater, it is properly submerged in the water tank. If the water temperature is higher than the set temperature, the LED display will show the actual temperature with green light lit up. The heater is made of quartz glass and the cover is made of plastic. It is suitable for both freshwater and saltwater and is also apt for glass and plastic tanks in the bowl or square shape.

This Zoo Med heater has a preset thermostat controlled heater. It has a preset temperature of 78 degrees F which is ideal in normal circumstances. It comes in two power capacity – 50 Watts and 100 Watts. The 50 Watts heater is suitable for up to 15 gallons of water and 100 Watts for up to 30 gallons of water.

The additional features of this heater include LED display which shows the temperature. It has a suction cup mounting with 3 cups which helps to hold the heater strongly with support of glass. It is perfect to prevent loss of appetite due to cold temperature in turtles.

The Tetra HT water heater comes with an automatic electronic thermostat which helps to maintain the temperature to 78 Degrees F (25 Degrees C) which is an ideal temperature. There is no adjustment required to do manually. However, the tank shall have a hood or glass canopy due to which the heat shall remain in the water.

Also, it will have an indicator of red light when heating and a green light when the water has reached the proper temperature. The silicon carbide crystals help to distribute heat and transfer. Also, the strong glass tube is heat and shock resistant which does not harm the turtles in the tanks.

It can be easily installed vertically or horizontally behind the décor in the turtle tank. However, it shall not be suitable for a bowl-shaped turtle tank due to its shape. For a square turtle tank, it shall be a great option. As a safety feature, the heater shall shut off if an electrical short is detected.

The hygger brand is one of the well-known ones when it comes to buying a heater for your aquarium. This heater comes with an explosion-proof quartz tube protected with a double sealed black protective guard. It shall be suitable for freshwater as well as saltwater aquariums. It is corrosion-resistant and also sturdy enough to protect it from punching and scalding by the turtles in the tank. It is the best option if you are looking for a long-term investment in your aquarium.

It has an external temperature controller and also has a temperature robe which acts like a thermometer. One can easily set the temperature between 61 degrees F – 90 degrees F (16 Degrees C – 32 Degrees C). The blue LED digital number is easily readable. The heat indicator turns on red when the heater starts to heat and orange when it reaches the desired temperature.

This 500 Watts heater is perfectly suitable for your huge 60-120 gallons of water. The power cord is 10.4 inches which is long enough to adjust the cord anywhere in the house. Also, the slim size of the heater is easily adjustable without occupying more room in the tank. The auto shut off feature helps the water to maintain the temperature and does not overheat or completely cool down the water. The long size of the heater may not make it suitable for a bowl-shaped tank.

The Mylivell aquarium heater is fully submersible in water. The one which is coated with a case is available in 2 power capacity – 200 Watts and 300 Watts. Also, one without a case is available for 100 Watts capacity. The 200 Watts heater is a great choice for 45-75 gallons. The tank has an adjustable temperature setting range of 65 Degrees F – 93 Degrees F (20 Degrees C – 34 Degrees C). The display is quite easy to read.

This heater is also made of quartz glass and has double seal material which makes it a sturdy choice and safe to operate. It is suitable for both freshwater and saltwater. It gives the turtles and other aquatic pets a warm and constant environment to live a healthy life.

The heater comes with suction cup mounting. The long design of the heater makes it a great choice for square tanks. Also, the heater comes with a polarised plug which prevents electrical shocks. You have to adjust the temperature before putting the heater in the water and submerge it in the water immediately. It has a red light indicator which is on when the heater is on and off when it is off. The power cord is 95 cm long.

The Hiptop submersible aquarium heater is available in 2 power capacities – 50 Watts and 100 Watts. The 50 Watts heater is suitable for 5-20 gallons of water. It is very much suitable for both freshwater and saltwater aquariums. The heater is explosion-proof since it comes with 2mm thickened explosion-proof glass which is 33% thicker than normal.

The temperature can be adjusted between 68 degrees F – 93 Degrees F (20 Degrees C – 34 Degrees C). Also, it comes with a thermometer sticker that can be stuck on the outer side of the tank and makes it convenient to detect the temperature of the water in the tank.

For a longer life, you can adopt an 8-slot multi-branched heating wire ceramic frame. Its small size gives more space to your pet in the tank. Also, the product has a warranty of 12 months (not on the thermometer sticker). It also has a suction cup mounting.