Finnex HMA-300sFinnex

$43

Heater

Finnex HMA-300s

by Finnex

Finnex HMA — slim titanium heater with a stainless steel support arm for secure positioning; analog dial controller included for a compact all-in-one heating solution.

midController-ready

Power

300 W

Controller ready

Yes

Safety

Thermal cutoff

from$43

Compatibility with your build

Start a build to see compatibility for this product

Specifications

The full sheet

Specs

Power: 300 W
Controller ready: Yes
Safety: Thermal cutoff

Build & materials

Materials: Titanium tube with external analog controller
In the box: Titanium heater · Analog controller · Safety guard · Suction cups

What we check

Rules this part takes part in

Heating capacity

Checks wattage is adequate for your total water volume (about 1 W per litre).

See methodology

Works well with

Compatible tanks

Seapora

Edge Series Reef-Ready 75 Gallon

76 Gallon Shallow EXT

76 gal

View tank

Fiji Cube

57 Gallon Shallow INT-M

57 gal

View tank

Fiji Cube

76 Gallon Shallow INT-M

76 gal

View tank

Alternatives

Others in this category

Frequently asked

What are the key specs of the Finnex HMA-300s?

Power: 300 W. Controller ready: Yes. Safety: Thermal cutoff.

How much does the Finnex HMA-300s cost?

The Finnex HMA-300s starts around $43, though prices vary by retailer — see current offers on this page.

Which tanks is the Finnex HMA-300s compatible with?

Based on ReefPicker's compatibility checks, the Finnex HMA-300s fits tanks including Seapora Edge Series Reef-Ready 75 Gallon, Ultum Nature Systems 60C, Waterbox AIO 65.4. Add it to a build on ReefPicker to check it against your specific tank.