The Orlushy 300W Submersible Aquarium Heater delivers reliable, adjustable heating for 40–55 gallon freshwater and saltwater tanks, with a precise 68–89°F thermostat and automatic shutoff for stable, safe temperatures. Its durable 2 mm quartz glass tube, compact 11-inch size, secure suction cups, and included thermometer make installation and monitoring simple for any aquarist. Click to discover how this heater can keep your fish comfortable all year.
The Orlushy Submersible Aquarium Heater 300W is a powerful, adjustable fish tank heater engineered for 40–55 gallon aquariums, delivering consistent tropical temperatures for a healthy aquatic environment. With a precise 68–89°F temperature dial and sensitive thermostat, it maintains stable water conditions within about 1 degree, helping protect fish from sudden temperature swings. Its explosion-proof 2 mm quartz glass tube is fully submersible and suitable for both freshwater and saltwater tanks, making it a versatile choice for a wide range of setups. The compact 11-inch body is easy to hide, while two strong suction cups keep the heater securely mounted for optimal water circulation and heat distribution. A free thermometer is included to help you monitor water temperature at a glance and fine-tune the heater settings for your specific species. Operating on 110–120V with a 6 ft power cord, this aquarium heater is simple to install, plug in, and adjust, ideal for both beginner and experienced aquarists. Automatic shutoff when the target temperature is reached reduces the risk of overheating and adds an extra layer of safety for your fish. As a #1 best seller in aquarium heaters with a strong customer rating, this Orlushy 300W heater offers an excellent balance of performance, reliability, and value for mid-size home aquariums.
- ★300W aquarium heater is suitable for 40 to 55 gallons aquariums,Length – 11 inch,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 89°F 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
Customers say
Customers find the aquarium heater works well, particularly for 55-gallon tanks, and appreciate its quality and value for money.
