With this heater, you are assured of quality since the waterproof functionality is IP68 high-grade standard. Whether you’ve got a salt water or fresh water aquarium this heater is suited to both, and the compact design features safety features such as a removable heater guard and automatic shut off. Best Aquarium Heater Reviews 1. It has a black protective guard to keep you and your fish away from getting burned. The length is 5.35 inches, width 0.9 inch, and the thickness 0.63 inches. Automatically adjusts the temperature between 75°F and 82°F, Suitable for 3 to 5 gallons and can be used in mini fish tanks, Anti-explosive,anti-scalding, high-temperature resistance, and waterproof, Suction cups for firmly holding and hiding the heater, Double sensing probe to prevent overheating, LCD display for easy monitoring of temperatures, Double sealed design to prevent electrical shocks, Titanium alloy to prevent an explosion, cracking, shattering, and corrosion, Effective in both fresh and marine water fish tanks, Dual CPU external temperature control system, Submersible to keep a steady flow of heated water in the fish tank, Two suction cups for firmly holding and hiding the heater in the aquarium, High-temperature resistance for energy efficiency, Temperature sticker to help maintain the right temperatures, Wide range of temperature adjustments to ensure the best conditions for fish, Shatterproof extra thick glass to prevent electric leakage, High purity quartz glass to prevent fish from rust damage, It is double sealed to make it waterproof, Two suction cups for firmly holding and hiding the heater, Suitable for both fresh and marine water fish tanks, It has explosion-proof, waterproof, and anti-corrosive properties, External temperature control touch button, Explosion-proof and has anti-corrosive properties, Compatible with aquaculture, glass containers, and hydroponic systems, It is best suited for 50 to 60 gallons of fish tanks, Integrated circuit chip to regulate and maintain the temperatures, It protects against overheating and shortage of water, Automatic temperature control to keep stable aquatic conditions, Freediving thermometer for checking the temperature of the water, 12-month warranty and 24-hour professional after-sales service, Submersible to keep a steady flow of heated water, Hyggger Watt Aquarium Heater With LED Digital Temperature Controller, Overheat protection with the use of memory function, It has corrosive resistant, oxidation resistant, and shatterproof properties, It is submersible to ensure that there is a steady flow of heated water, External temperature controller to keep your hands dry, Has a suction cup to firmly hold and hide the heater in the aquarium, External temperature regulation to keep your hands dry, Guarantees durability of three years of service, It has shatterproof and explosion-proof properties, Automatic digital controller to ensure that the temperatures are stable, It is fully submersible to keep a steady flow of heated water in the aquarium, PERSUPER Submersible Aquarium Heater Adjustable LED, External temperature control with a switch from Celsius to Fahrenheit, Fully submersible to ensure a steady flow of heated water in the fish tank, Titanium material to prevent an explosion, cracking, shattering, and corrosion, Automatic temperature control to ensure stable aquatic conditions, Compatible with aquaculture, glass container, fresh and marine water. But installing an aquarium heater in your tank, you can maintain the water at a warm enough temperature for your fish to thrive. Suitable for aquariums between 30 and 60 gallons in capacity, the 300 Watt Hygger submersible fish tank heater is made from heat resistant quartz which is guaranteed not to crack or burst. The high Quality quartz glass design provides a shatterproof construction. It is made of premium titanium alloy to ensure that it is resistant to an explosion, cracking, shattering, and corrosion. Choosing the right aquarium heaters depends on your personal preferences and circumstances. What are the best aquarium heater brands? However, if you have a particularly large tank, it's best to have two heaters, one placed on each end of the tank, so the water on the side farthest from the heater doesn't get cold. This aquarium heater is submersible, meaning that the flow of heated water in the fish tank is steady. The power cord has been approved by UL and is, therefore, safe to use. The best aquarium heater will quickly alert the user to any changes with the help of brightly colored displays or alarm systems. With this device, you do not need to run two heaters to keep a consistent temperature. It is made by a premium titanium alloy to ensure that it is resistant to an explosion, cracking, shattering, and corrosion. This site is part of the Amazon affiliate program. The voltage ranges from 110 volts to 120 volts. Worried about safety? It takes a shorter period to get water to the desired temperature. Seeing beautiful fish and marine creatures swimming, feeding, and going about their daily lives is soothing and can reduce stress and high blood pressure. The temperature knob is convenient for operation. Quality is assured, and you can get a new heater or full refund for free. It has overheated and water shortage protection functionalities. The heater comes in 50 watts for 5 to 15 gallons,100 watts for 10 to 30 gallons, and 300 watts for 30 to 80 gallons fish tanks. The suction cups firmly hold and hide the heater in the fish tank. Thewaternerd.com may be compensated when users click on links and sign-up with their associated offers located in content or anywhere else on the page. It has advanced materials, for instance, sturdy engineering plastic with functions such as anti-explosion,anti-scalding functionalities. It can be used in both fresh and marine water fish tanks. With the use of memory function, it automatically resets to prevent overheating. The temperature range in this accurate thermostat is 15℃ to 32 ℃. It saves energy by automatically turning on and off. The double sensing probe detects overheating or no water at the top of the aquarium and responds by automatically powering off to prevent electric shock. You can horizontally or vertically submerge it to ensure a steady flow of heated water in the fish tank. The suction cups work well and can be easily attached to the side of the tank. The glass heating element is protected in a fully sealed casing. Which is the Best Aquarium Heater (Summary) As we mentioned at the start, the best heater depends on what size tank you have and what you consider to be the most important functions. It comes in two sizes,300 watts for 30 to 60 gallons fish tanks and 500 watts for 60 to 120 gallons fish tanks.