Inkbird ITC-306A WiFi Temperature Controller, Wi-Fi Aquarium Thermostat Heater Controller 120V~1200W Temperature Control with Two…
Inkbird
Best for
Best Wi-Fi smart controller
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Based on 2 trusted sources
Current price
$46.99
Updated May 20, 2026 · 1 min read
Sources behind this verdict
10 reviewers weighted by source trust
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Among the candidates here, the Inkbird ITC-306A is the one that most clearly fits the "smart aquarium controller" label. Across the reviewers we read, the appeal is the InkbirdSmart app: saltwateraquarium.com highlights 2.4 GHz Wi-Fi monitoring from iOS and Android, and a Facebook keeper group note praises being able to set separate daytime and nighttime setpoints. A YouTube setup video distributed via Platinum Reef Products walks through the app pairing flow.
What reviewers liked
- Wi-Fi app monitoring with temperature alerts confirmed by saltwateraquarium.com listing
- Dual heater outputs - useful for redundant heater setups noted on r/Aquariums
- Day/night setpoint scheduling called out in keeper communities
- Strong specialist-community recognition of the broader Inkbird line
Where it falls short
- r/Homebrewing reports of flaky Wi-Fi pairing and weak customer support
- Roughly 2x the price of the non-Wi-Fi 306T, per r/Aquariums comparisons
- 2.4 GHz only - users on mesh networks may need to split SSIDs
- Amazon 4.4 average is the lowest of our top temperature-controller picks
Among the candidates here, the Inkbird ITC-306A is the one that most clearly fits the "smart aquarium controller" label. Across the reviewers we read, the appeal is the InkbirdSmart app: saltwateraquarium.com highlights 2.4 GHz Wi-Fi monitoring from iOS and Android, and a Facebook keeper group note praises being able to set separate daytime and nighttime setpoints. A YouTube setup video distributed via Platinum Reef Products walks through the app pairing flow.
On r/Aquariums, a high-trust thread comparing the 306 lineup notes that the 306A and 306T (Wi-Fi) variants cost roughly double the basic 306T without Wi-Fi, and that owners who only need heating control often skip the Wi-Fi tier. r/reptiles users describe Inkbird controllers as "super easy to set up" and verify accuracy against an infrared thermometer. The 306's dual heater outputs are the structural difference from the 308 - useful for redundant heater setups on larger tanks.
The consistent gripe across community sources is Wi-Fi reliability. An r/Homebrewing owner of the related ITC-308 Wi-Fi reports being unable to get the unit onto their network and unable to reach customer service. Buyers should treat the app as a nice-to-have layered on top of a controller that works fine standalone.
- Dual Protections
- The aquarium temperature controller is equipped with 2 relays to ensure that the plugged heater can be turned off when detected overheating, protecting your fish tank well
- 2 probes get more reliable
- place them in a fish tank but at a distance, the controller will alarm when the temperature difference is over 3 degrees Celsius (5 degrees Fahrenheit), and the App will push a notification to your cell phone at the same time
- Customize Heating Time
- You can determine the heating time from 1 to 72 hours; The controller will alarm you when the time out but the temperature still could not reach the expected level
- Temperature Setting
- 20.0 to 35.0 degrees Celsius or 68.0 to 95.0 degrees Fahrenheit; and the detectable temperature range is minus 40 to 100 degrees Celsius or minus 40 to 212 degrees Fahrenheit
- Plug and Play
- The 1100 W aquarium temperature controller is compatible with most kinds of heaters, you don't need to assemble the product yourself, it is plug and play
- APP Notification
- Pair the aquarium temperature controller with your phone via 2.4 GHz Wi-Fi, and the device will alarm if there is any exception, and the INKBIRD app will push notifications to remind you
Everywhere I read online recommends ink Bird and this one has pretty good reviews. Apparently, this one has an alarm and the recommended setting ...
I usually get the Inkbird ITC-306T without the Wi-Fi because it's cheap (about half the price of 306A or the 306T with Wi-Fi) and I only need heating controls.
Trust tier reflects our editorial assessment of the source, not the individual quote. Hover for the rationale. See how we tier sources →
“Aquarium Heater Controller - Inkbird ITC” · 306A review
If the consensus convinced you
Check current price on Amazon
Pricing and availability change frequently. Tap through to confirm before buying.