Hygger HG031 25W Aquarium Heater Mini Adjustable Submersible Heater for Small Tanks
The Hygger HG031 25W Aquarium Heater is a compact, fully submersible heater designed to keep nano and small aquariums at the perfect tropical temperature. With its adjustable thermostat, durable quartz glass design, and built-in overheat protection, it provides reliable, worry-free warmth for your fish, shrimp, and plants.
Ideal for betta tanks, shrimp tanks, and nano aquascapes, the HG031 maintains steady temperatures while fitting neatly in tight spacesmaking it perfect for desktop or small planted setups.
Key Features
Adjustable Temperature Range Easily set between 68°F90°F (2032°C)
💧 Compact & Submersible Perfect for nano and desktop aquariums
🔥 Safe & Reliable Includes automatic shut-off for overheating or dry running
🐠 Durable Quartz Glass Shatterproof design for long-lasting use
Easy to Use Plug-and-play heater with indicator light for heating status
⚙️ Specifications
- Brand: Hygger
- Model: HG031
- Power: 25 Watts
- Voltage: 110120V
- Temperature Range: 6890°F (2032°C)
- Accuracy: ±1°F
- Recommended Tank Size: Up to 5 gallons
- Cord Length: 5.5 ft
- Material: Quartz glass with protective casing
- Mounting: Fully submersible with suction cups
- Indicator Light: Red light when heating
💡 Usage Tips
- Submerge fully before plugging in.
- Place near filter outlet or bubbler for even heat distribution.
- Allow 1015 minutes to acclimate before powering on.
- Use a digital thermometer for precise readings.
❓ FAQ
Q: What size tank is the 25W HG031 best for?
A: Its perfect for aquariums up to 5 gallons.
Q: Can I adjust the temperature?
A: Yessimply rotate the top control dial to set between 68°F and 90°F.
Q: Is it safe for shrimp or bettas?
A: Absolutelyits ideal for delicate species and nano setups.
Q: Can I use it horizontally?
A: Yesworks horizontally or vertically as long as its fully submerged.
Q: Does it have an automatic shut-off?
A: Yesbuilt-in overheat and dry-run protection ensures safe operation.
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