Ultra-compact warmth for small tanks The VCRAZE Mini Aquarium Heater is a 30W heater crafted for tiny aquariums

Measuring about 2

36 inches, it tucks neatly behind décor and inside tight betta or nano tanks while delivering steady warmth that helps aquatic residents feel comfortable without crowding the space

Smart safety you can rely on With built-in safeguards, the heater stops if water levels drop below the minimum line or if the temperature climbs toward the upper limit

This adds a layer of protection in busy tanks where quick movements or splash can affect stability

Precise temperature, simple monitoring Thanks to inverter technology and smart control chips, the device maintains a steady temperature with about 1°F accuracy

It displays two readings—current water temperature and the target setting—so you can dial in warmth with confidence

1°F precision helps keep the tank within a comfortable range Dual readings support quick checks during feeding and maintenance Memory and reliability The thermostat remembers the last setting

If power is lost, the heater reverts to that setting when power returns, making startup routines faster and more predictable

Versatile beyond the fish room Although built for freshwater tanks, this compact heater performs well in saltwater setups, small turtle enclosures, fountains, and even plant propagation trays where warmth matters but space is limited

Quick-start guide and key specs In just a few steps you can have a reliable, space-saving heater in place

The 64–93°F range covers common betta and nano tank needs, while the 4–6 gallon target keeps you aligned with tank size

Fits 4-6 gallon tanks Temperature range: 64–93°F Size: about 2

36 inches Power: 30W Works in fresh and saltwater FAQ Q: What tank sizes is the VCRAZE Mini Aquarium Heater for

A: Designed for 4-6 gallon tanks, with a compact 2

36-inch body for tight spaces

Q: What safety and reliability features does it include

A: Dry-run/low-water safeguards and an auto-recovery memory help prevent overheating and resume settings after outages