Finnex HMC 300WFinnex

$120

Heater

Finnex HMC 300W

by Finnex

Finnex HMC — external digital controller that pairs with separate titanium heating elements; Japanese sensor and power-loss memory restore settings automatically.

midController-ready

Power

300 W

Controller ready

Yes

Safety

Titanium element

from$120

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: Titanium element

Manufacturer & warranty

Warranty: 180 days

Build & materials

Materials: Titanium heating tube
In the box: 300W titanium heater element · HMC digital controller · Remote temperature probe · Safety guard

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 HMC 300W?

Power: 300 W. Controller ready: Yes. Safety: Titanium element.

How much does the Finnex HMC 300W cost?

The Finnex HMC 300W starts around $120, though prices vary by retailer — see current offers on this page.

Which tanks is the Finnex HMC 300W compatible with?

Based on ReefPicker's compatibility checks, the Finnex HMC 300W 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.