Hygger Mini Pro Aquarium Heater 10W | Submersible Nano Tank Heater with LED Display

Keep your nano tank at a rock-steady temperature without a bulky heater hogging your aquascape. The Hygger Mini Pro is a thumb-sized submersible heater built specifically for small tanks — perfect for bettas, shrimp, and nano community setups.

The 10W model is rated for tanks up to 5 gallons, and the external controller lets you dial in the exact temperature without ever getting your hands wet.

Why We Stock It

• Super mini size — only about 4 inches long, easy to hide behind decor or plants
• LED digital display — see real-time water temperature at a glance
• External temperature controller — adjust the set temp without reaching into the tank
• Adjustable range 59-93°F (15-34°C) — the ideal betta range of 78-80°F is easy to hold
• Shatter-resistant quartz glass with a protective guard so fish can't scald themselves
• Running-dry protection — shuts off automatically if the heater is exposed to air
• Overheat protection — stops heating if water climbs above the safe range
• Memory function — keeps your setting after a power outage
• Freshwater and saltwater safe

Specs

• Wattage: 10W
• Tank size: Up to 5 gallons
• Temperature range: 59-93°F (15-34°C), ±1°F accuracy
• Voltage: 110-120V, 60Hz, US plug
• Mounting: Suction cups, vertical or horizontal
• Includes: Heater rod, external controller, suction cups, user manual

Setup Tips

• Keep the heater fully submerged at all times — don't bury it in substrate
• Mount it near your filter outflow so warm water circulates evenly
• Keep the controller dry and away from splash zones
• Unplug and let it cool before water changes

Pairs perfectly with our live bettas and nano community fish. A stable temperature is one of the biggest factors in keeping tropical fish healthy — especially through the cooler months.