Heaters · Preset
Tetra HT10
Manufacturer-rated for 2–10 US gal and preset to 78°F.
50 W preset submersible heater with heating and standby indicator lights.
Consider: Preset to 78°F with no user adjustment. Choose an adjustable heater if your fish need a different temperature.
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US version, item 26447. Check what’s in the box before you buy.
Tank size Tetra rates it for
2 to 10 US gal
Choose your tank to see where it falls.
Check it against your tank →Specifications that affect fit
- Manufacturer capacity
- 2–10 US gal
- Power
- 50 W
- Supply voltage
- Not published
- Dimensions
- Not published
To see what it costs to run, enter the watts on its label and your daily hours in the electricity cost calculator.
Before choosing this model
- Confirm 78°F suits the animals.
- Use a separate thermometer and ensure the tank has the hood or canopy required by Tetra.
What Tetra doesn’t publish
- Tetra doesn’t publish the body size or the voltage. Check the mounting instructions and the label on the box before you buy for a tight space.
Our buying guides size it for these tanks:
A heater rated for your tank can still fall short in a cold room: see how to size one.
Check it against your tank → Something not working? See the troubleshooting guide.
Included items & upkeep
- heater
- mount
Plan for the routine work
- Unplug and cool before removal.
- Follow the included instructions for placement and water level.
To budget for replacement media and supplies, use the first-year cost calculator. For how often and how to clean it, follow the maker’s manual.