Hygger Mini Pro Aquarium Heater 10W | Submersible Nano Tank Heater with LED Display
Product description
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.
🚚 Shipping
- USPS Priority and Fedex Overnight: Live fish are shipped on Monday–Tuesday only.
- Send us email to request for other days!
💰 Refund & DOA Policy
- DOA (Dead on Arrival):
We offer a full refund (fish cost only) or replacement.
To qualify, please send: - 2 clear photos of the fish/shrimp inside the sealed bag, and 1 clear photo outside the bag within 2 hours of delivery
- Carrier Delays:
If total transit time exceeds 3 days, the DOA guarantee is void.
More details: https://justfishything.com/policies/refund-policy
🐠 Acclimation Guide
- Temperature Match:
Make sure the bag water is close to your tank temperature. - Float the Bag:
Place the sealed bag in your tank for 15–20 minutes. - Water Mixing:
Gradually add small amounts of tank water into the bag over 15–20 minutes. - Release:
Gently net the fish into the tank.
❗ Do not pour bag water into your tank to avoid contamination.
📸 Photos Disclaimer
We do our best to capture each fish’s true appearance.
Photos are not edited, but colors may vary slightly in different lighting.
Have a question?

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




