MQ Submersible Aquarium Heater Auto Thermostat, 300W Fish Tank Heater for 35-60 Gallon with LCD Digital Aquarium Thermometer, Shatter-Proof and Blast-Proof

Product description

1 Safety Protection

2 Shatterproof & Blastproof

3 Ideal: Fresh/Salt Water

How to troubleshoot if the aquarium heater is not working ?

Please ensure the aquarium heater is installed correctly and fully submerged in water. It must not be exposed above the water surface.

If you experience any problems while using the aquarium heater, we are always happy to help.

What is the length of the fish tank heater?

500W: 18.43 inches; 300W: 14.49 inches; 200W: 12.52 inches.

Does the thermometer battery affect reading accuracy?

Objectively speaking, yes. It is recommended to replace the battery regularly to ensure accurate readings.

Can it be used in cold environments or outdoor ponds?

Possible, but not recommended. If pond is too large or environment very cold, heating may be slow or inadequate. it is necessary to add more fish tank heaters or use a higher wattage aquarium heater to compensate for heat loss.

How long is the service life of the aquarium heaters?

For optimal performance, the recommended service life is one year! Beyond that, issues such as slow heating and material aging may occur. Please replace it in a timely manner.

MQ Aquarium Product Recommendations

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Customer Reviews

3.9 out of 5 stars 536

3.9 out of 5 stars 545

4.3 out of 5 stars 3,443

4.3 out of 5 stars 947

4.0 out of 5 stars 236

Price

$22.99$22.99

$27.99$27.99

$12.99$12.99

$13.99$13.99

$13.99$13.99

Brand

MQ

MQ

MQ

MQ

MQ

Watts

200/300/500W

200/300/500W

1/2/3/9/11/13W

5/7/14/20W

6/8/15W

Fish Tank(size or volume)

15-80 Gallon

25-80 Gallon

Longest side ≥8-36 Inch

6*11, 11*11, 11*16.5(inch)

depending on the situation

Quality

Good

Good

Good

Good

Good

cost-effective

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✔

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【For Fish Tank 30-60 gallon, Ideal for 40, 50, and 55 gallon aquariums】300W aquarium heater, voltage AC 110-120V, power cord is 5.0ft, please choose the right wattage aquarium heater according to our size chart. Comes with detachable shield and 2 suction cups. It’s easy to hide it in the tank (acrylic or glass)
Temp Adjustable: Temperature can be adjusted between 68-94℉. You can set the temp to one of these values on the dial: 68, 71, 75, 78, 82, 86, 90, 94 by rotating the pointer, which allows for complete control of aquatic climate within a 2-degree difference
Safety Protection: Effectively maintain the tank water in the constant temp you set, stop heating when the water temp is 1.5-2℉ above the set temp and restart heating when the water temp is 1.5-2℉ below the set temp
Blast-proof: Made of shock resistant quartz glass, covered with double sealed case, explosion-proof and no electricity leakage, preventing your pets being scalding. Can be used in fresh water and salt water aquariums
This fish tank heater come with an extra thermometer to show the accurate tank temperature to avoid overheat or freeze. It provide a constant warm environment for your pet fish to stay healthy.