Description
xUltra-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 best 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.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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