Description
🔥 Hygger Nano Heater 20W – HG142-20W
Purpose:
Designed for aquariums between 1–5 gallons, this compact submersible heater delivers precise, safe, and silent temperature control for betta tanks, shrimp habitats, nano reefs, and shallow turtle setups.
Key Features:
- Smart Safety Alerts & Auto Shut-Off:
Built-in dry-run protection and overheat guard automatically shut off the heater and trigger audible alarms with LED error codes (“Er”, “EE”, “EU”) to prevent damage or overheating. - Precision Temperature Control (59°F–93°F):
External digital controller allows easy temperature adjustment without reaching into the tank. Real-time display and indicator lights show heating status clearly. - Compact, Low-Profile Design:
Measuring just 4″ long, this sleek heater fits discreetly in small tanks and tight spaces without compromising performance. - Auto-Memory Function:
Remembers your last temperature setting after a power outage, ensuring uninterrupted care for sensitive aquatic species. - Fully Submersible & Easy to Install:
Mount vertically or horizontally using included suction cups. Best placed at least 5″ below the water surface in areas with good flow. - Durable & Silent Operation:
Waterproof quartz glass body resists cracking and corrosion. Runs quietly—perfect for bedroom or office tanks.
Ideal For:
- Betta fish and shrimp tanks
- Nano reef and freshwater aquariums
- Shallow turtle habitats
- Breeding and quarantine tanks











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