Top 8 Best Adjustable Aquarium Heater

100W aquarium heater is suitable for 10 to 20 gallons aquariums,Length - 9,voltage 110-120V, power cord is 6ft, please choose the right wattage aquarium heater according to our size chart.. It shows an area to adjust the temperature. It's not exactly accurate but it turns easy and can be adjusted at small intervals. Explosion Proof 2mm thickened quartz glass,can be used in fresh water and salt water aquariums,easy to hide in the tank.. Precise temperature dial from 68 to 89F allows for complete control of aquatic climate within a 1-degree difference.. Adjustable Aquarium Fish Tank Water Heater Sensitive and reliable thermostat maintains uniform temperature. Automatic shut off when the temperature is reached.

Super Mini Size, 25Watt for 1-5 Gallons YukiHalu 25W aquarium heater is designed for 1-5 gallons mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.. Automatic Constant Temperature with 1AccuracyThanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this new technology will cut down 49 electricity bill for you.. Overheating Protection, Out of Water ProtectionThe power will be cut off and stop heating automatically if the heater out of water or overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty.. External Temperature Controller, Never Wet Your HandsUse an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Strong suction cups, easy to install.. Built-in Temperature Sensor, Power-off Memory FunctionDual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off..

This 50 watt heater is for aquariums up to 12 gallons. Adjustable temperature dial allows you to set the temperature 1 degree with every click.. Thermal Switch automatically turns off as temperature rises above an internal preset and turns back on once it cools down.. The advanced heating element contains a mica core surrounded by a mesh heating element for superior heat transfer with enhanced durability. Advanced mounting bracket securely attaches to glass and provides 3 window positions to view the temperature display. Easy to view sliding scale tells the exact temperature setting. Top dial view shows the setting from an additional location..

Modern Aesthetic M-Series heaters combine modern aesthetics with reliable Italian construction. Employing an ultra-slim profile, these heaters are a welcome departure from traditional, bulkier designs.. Reflective Design This heater is encompassed in a heat-and-shock resistant reflective Borosilicate glass tube, which allows it to reflect the surrounding aquarium colors, allowing it to blend in with the environment and enhance overall aesthetics.. Temperature Control Computer-calibrated thermostat has an easy-to-adjust temperature control dial and an onoff blue indicator light to display when its in use.. Slim Profile Ultra slim design allows for easy installation in your aquarium tank.. Recommended Size M50 underwater heater is ideal for freshwater and saltwater aquariums up to 15 gallons. Each M-Series heater comes with a 3-year limited warranty..

PREMIUM SHATTERPROOF GLASSMade of shatterproof glass and BPA-free plastic.Bnzaq aquarium heaters are fully submersible and safe for fish without any toxic substance producing.3 FREE artificial aquarium plants as ornament in your tank.. NO LONGER CHILL YOUR FISHAutomatically regulate and maintain water temperatureimitate the original ecological environment for your tropical fish.Provided fish with warm water environment.Perfect to apply to fresh and salt water.. ADJUSTABLE TEMPERATURETemperature range 68F93F.25W heatersuitable for fish tank within 7 gallons,Length7.8.Easy to adjust temperature by the aquarium heater that suit more species of fish.. AUTOMATIC CONSTANT TEMPERATUREWhen water temperature reaches set value,the indicator light will be OFF and the heater will automatically stop heating.The heater will automatically start heating and indicator light will be ON if water temperature is low.You could place heater horizontally or vertically.. ATTENTIONPlease place the heater near place filter or pump of water flowing to keep more even water temperature.Unplug the heater 30 minutes early when changing the water for the fish tank..

Explosion Proof The aquarium heater is made of 2mm thickened quartz glass, 33 thicker than ordinary glass, explosion-proof, not easy to crack, which is very safe for people and aquatic animals.. Application 50W water heater is suitable for 5 15 gallon tank, also suitable for both saltwater and freshwater, suitable for fish tanks and turtle tanks, must be completely submerged in water when using.. Accurate Temperature The fish tank heater can be adjusted from 68F to 93F 20C - 34C, comes with a thermometer sticker, convenient to detect the water temperature without another pay.. Long Service Life This fish heater adopts 8-slot multi-branched heating wire ceramic frame, shorter length, 7.811 in202.52.5 cm, better heat dissipation, and can save more space for your fishes.. Complete Accessories and Warranty This aquarium submersible heater comes with accessories you need, in addition to the thermometer, it comes with 3 suction cups, one for replacement, and offer 12 months warranty, giving you peace of mind after your purchase..

SUPER MINI SIZE This aquarium heater is SUPER SHORT in length might be the shortest aquarium heater in the market It is only a bit more than HALF of the length of the traditional aquarium heaters The innovative super short length perfectly solves the headache of the fish keepers on the traditional aquarium heaters Takes up less space, easy to hide, but in full power Temperature range is 64-93F. 25 Watt for 3 - 5 Gallon tanks.. SUPER ACCURATE 1 Thanks to the intelligent inverter technology, with the in-built chips the thermostat keeps the fish heater at a constant temperature at an accuracy of 1, much more accurate than the traditional knob-controlled fish heaters and you save your electricity expenses by 50. DIGITAL DISPLAY WITH DOUBLE TEMP. READINGS This fish tank heater comes with an external thermostat with digital display that shows 2 readings the current temperature and the set temperature very easy to switch by pressing the SET button and you save an extra thermometer for current temperature measuring.. DRY RUN OVERHEATING PROTECTION Full consideration of safety. With the multiple protections this fish tank heater will stop working when the water level is lower than the minimum water level DRY RUN PROTECTION or when the water temperature exceeds 97F OVERHEATING PROTECTION. You are free from cooking fish. MEMORY FUNCTION The last setting is stored in the chips of the thermostat. In case of a power cut, when the power recovers the fish heater will follow the last setting..