MQ 200W Submersible Aquarium Heater with LCD Thermometer

The MQ submersible aquarium heater combines a 200W adjustable heater with a separate LCD digital thermometer for monitoring aquarium temperature. Designed for 15- to 40-gallon freshwater and saltwater aquariums, the heater offers selectable settings from 68°F to 94°F and includes a detachable shield and two suction cups for in-tank placement.

Adjustable Aquarium Heating with Separate Temperature Monitoring

This fish tank heater lets you select from eight temperature settings using the adjustment dial. The included LCD thermometer provides a separate temperature display, making it easier to check current tank conditions alongside the heater setting.

Key Features

• 🌡️ Adjustable temperature: Choose from 68, 71, 75, 78, 82, 86, 90 or 94°F using the heater's rotating dial.
• 🐠 15-40 gallon aquariums: The 200W heater is specified for tanks within this capacity range, including 20-, 25- and 30-gallon setups.
• 📟 LCD thermometer included: A separate digital thermometer displays aquarium temperature for convenient monitoring.
• 💧 Fully submersible: Designed for submerged placement inside compatible glass or acrylic aquariums.
• 🧪 Quartz construction: The heater uses shock-resistant quartz glass within a double-sealed case.
• 🌊 Freshwater or saltwater: Suitable for use in both freshwater and marine aquarium environments.
• 🔧 Placement accessories: Includes a detachable shield and two suction cups for positioning the heater inside the tank.

Why You'll Love It

The combination of adjustable heating and separate temperature monitoring brings two core aquarium temperature functions into one setup. The heater provides eight defined temperature choices, while the included LCD thermometer lets you view the tank temperature independently.

• Defined temperature settings: Select the desired setting directly from the marked dial.
• Independent monitoring: Use the included thermometer to check aquarium temperature.
• Flexible aquarium use: Compatible with freshwater and saltwater tanks in the specified capacity range.

Temperature Settings

The heater can be adjusted between 68°F and 94°F. Available dial settings are 68, 71, 75, 78, 82, 86, 90 and 94°F.

The heater is described as controlling the aquatic temperature within a 2-degree difference. Its 200W output is specified for aquariums from 15 to 40 gallons.

Construction & Installation

The heating element is housed in shock-resistant quartz glass with a double-sealed case. A detachable exterior shield surrounds the heater, while two included suction cups support placement against the inside of a glass or acrylic aquarium.

The heater operates on 110-120V AC and has a 5 ft power cord. It is designed for indoor aquarium use and fully submerged operation.

Included Thermometer

A separate LCD digital aquarium thermometer is included with the heater. It provides a visible temperature reading so the aquarium temperature can be checked independently of the setting selected on the heater dial.

What's Included

• 200W submersible aquarium heater
• LCD digital thermometer
• Detachable heater shield
• 2 suction cups

FAQ

What aquarium size is this heater designed for?

The 200W heater is specified for aquariums from 15 to 40 gallons.

Can it be used in saltwater aquariums?

Yes. The heater is listed for both freshwater and saltwater aquarium use.

What temperatures can be selected?

The dial provides settings of 68, 71, 75, 78, 82, 86, 90 and 94°F.