Overview & Compatibility Hygger HG031 Mini Pro Heater 50w

• Compact heater for small aquariums (Hygger HG031 Mini Pro Heater 50w) —designed for tanks ranging from 8 to 16 gallons (30–60 L) when using the 50W version. Suitable for both freshwater and marine setups.
  
  

Design & Construction

• Built with a 2 mm thickened quartz glass heating tube, offering superior durability, corrosion resistance, and explosion protection compared to standard glass heaters.
  
• Safety-focused with dry-run protection: the heater automatically shuts off and displays an error code (“E1”) when it’s not submerged.
  
• Incorporates overheat protection, ceasing operation when water temperature exceeds 93°F (34°C).
  

Temperature Control & Display

• Features an external LED digital controller that displays both the current and set temperatures. You can switch easily between Celsius and Fahrenheit.
  
• Comes with memory function—it retains your settings after power interruptions and resumes at the previous temperature.
  

Dimensions & Specs

• The entire unit is compact, measuring approximately 4.1 to 4.9 inches (10.5–12.5 cm) in length—ideal for space-limited tanks.
  
• Available in multiple wattage versions—10W, 25W, 50W, and 100W—to suit a variety of tank sizes with consistent features across the range.
  

User Experience & Safety

• Easy to use: set the target temperature, and the heater automatically stops once reached.
  
• Safe and intuitive: external controller keeps your hands dry; protective features guard against overheating, dry operation, and power outages.