The Hygger Mini Pro Aquarium Heater (Model HG031) is a compact, submersible heater designed for small aquariums. It is ideal for nano tanks, betta tanks, and turtle tanks, and works in both freshwater and marine environments. Its super mini size makes it easy to hide in the tank without taking up much space.
Key Features
Power & Tank Size:
10W model suitable for tanks up to 1–5 gallons and 25W model suitable for tanks 5–10 gallons.
Temperature Range:
Adjustable from 59°F to 93°F (15°C to 34°C).
Display Options:
Switchable between ℉ and ℃ for convenience.
Safety Features:
Memory Function: Retains settings after power outages.
Overheat Protection: Stops heating if water exceeds 93°F.
Dry-Run Protection: Shuts off automatically if exposed to air (error code “E1”).
Construction:
Made of 2 mm thickened quartz glass, resistant to explosion and corrosion, ensuring durability and safety for aquatic pets.
Size:
Extremely compact, about 4.1″–4.9″ (10.5–12.5 cm) in length.
Control & Monitoring:
LED digital display for real-time temperature monitoring.
External controller for easy adjustments without wet hands.
Why It’s Great
Perfect for small tanks where space is limited.
Provides accurate temperature control for sensitive species like bettas and shrimps.
Safe and reliable with multiple protection features.
Easy to install and operate.