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Hygger Nano Aquarium Heater 20W

Keep your small aquarium at the perfect temperature with the Hygger Nano Aquarium Heater 20W. Designed for nano tanks up to 6 gallons, this compact heater features precise digital controls, silent operation, and advanced safety with auto shut-off and alarms. Its durable quartz glass construction and memory function ensure reliable, long-lasting performance. Ideal for betta, shrimp, turtle, and reef tanks, this fully submersible heater is easy to install and use, offering peace of mind for both beginners and experienced aquarists.

Hygger Nano Aquarium Heater 20W – HG142-20W

Maintain perfect water temperature for your small aquarium with the Hygger Nano Aquarium Heater 20W. Designed for nano tanks, betta tanks, shrimp tanks, and more, this compact and reliable submersible aquarium heater ensures your aquatic pets stay comfortable and safe.

Why Choose the Hygger Nano Aquarium Heater?

This nano aquarium heater stands out for its advanced safety features, silent operation, and precise digital control. With a 20W output, it is ideal for small fish tanks, nano reef tanks, and turtle tanks that require dependable temperature stability. Its compact design and auto shut-off capabilities offer peace of mind for both beginners and experts. Compared to standard heaters, the Hygger Nano delivers superior reliability and user-friendly controls in a truly space-saving form factor.

Key Features of the Hygger 20W Aquarium Heater

  • Smart Safety Protection: Aquarium heater with auto shut off and dry-run protection. Built-in overheat guard and audible alarms instantly alert you to any issues, keeping your pets safe.
  • Digital Controller: External aquarium heater with digital controller lets you set and monitor temperature (15–34°C / 59–93°F) without getting your hands wet. Real-time LED display shows current status.
  • Compact and Versatile: This compact aquarium heater is only 10 cm (4″) long, making it perfect for nano tanks and tight spaces.
  • Memory Function: Remembers your last temperature setting after a power outage for uninterrupted care.
  • Fully Submersible: Easy to install both vertically and horizontally using included suction cups. Perfect for nano tanks, shrimp tanks, and reef tanks.
  • Durable Quartz Glass: Constructed with quartz glass aquarium heater technology for crack and corrosion resistance. Ensures long-lasting, safe operation.
  • Silent Operation: Enjoy a silent aquarium heater that won’t disturb your home or office environment.

Ideal For These Applications

  • Betta tank heater for delicate fish like bettas and guppies
  • Shrimp tank heater for optimal shrimp health and breeding
  • Reef tank heater for sensitive coral and marine setups
  • Small fish tanks and nano aquariums up to 6 gallons
  • Turtle tank heater for shallow water turtle environments
  • Quarantine and breeding tanks requiring stable, gentle heat

Competitive Advantages

  • Smaller and more discreet than most 20W aquarium heaters, fitting even the smallest tanks.
  • Combines advanced safety (auto shut-off, alarms) with an easy-to-use digital controller—rare in this size category.

Frequently Asked Questions

Is this heater safe for shrimp, bettas, and other sensitive species?

Yes, the Hygger Nano Aquarium Heater is a safe aquarium heater designed specifically for delicate species like shrimp and bettas. Its precise temperature control and safety features protect your aquatic pets from temperature swings and overheating.

Can I use this as a submersible heater in any orientation?

Absolutely. This submersible aquarium heater is fully waterproof and can be installed both vertically and horizontally. Just ensure it is placed at least 12 cm (5″) below the water surface for optimal performance.

What size aquarium is this heater suitable for?

The 20W Hygger Nano Aquarium Heater is ideal for nano tanks, small fish tanks, and aquariums up to 6 gallons (approximately 22 liters). It’s perfect for betta tanks, shrimp tanks, and small turtle setups.

Does it have an automatic shut-off feature?

Yes, this aquarium heater with auto shut off will automatically turn off if it detects overheating or if the water level drops too low. This protects both your pets and the heater itself.

How quiet is this heater during operation?

The Hygger Nano operates silently, making it an excellent choice for bedrooms, offices, and quiet rooms. You’ll enjoy stable water temperatures without any unwanted noise.

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