ReefPicker
Finnex HMU 300WFinnex
$60
Heater
Finnex HMU 300W
Heater

Finnex HMU 300W

by Finnex

Finnex HMU — submersible titanium heater unit with an external digital controller and remote probe; non-resumable fuse adds a redundant safety layer.

midController-ready
Power
300 W
Controller ready
Yes
Safety
Titanium element
from$60
Launched: 2024
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
Released
2024
Build & materials
Materials
Titanium heating tube
In the box
300W titanium heater element · Digital controller · Remote temperature probe · Safety guard
What we check

Rules this part takes part in

R6
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
Seapora
Edge Series Reef-Ready 75 Gallon
75 gal
View tank
Ultum Nature Systems 60C
Ultum Nature Systems
60C
57 gal
View tank
Waterbox AIO 65.4
Waterbox
AIO 65.4
66 gal
View tank
Fiji Cube 76 Gallon Shallow EXT
Fiji Cube
76 Gallon Shallow EXT
76 gal
View tank
Fiji Cube 57 Gallon Shallow INT-M
Fiji Cube
57 Gallon Shallow INT-M
57 gal
View tank
Fiji Cube 76 Gallon Shallow INT-M
Fiji Cube
76 Gallon Shallow INT-M
76 gal
View tank
Alternatives

Others in this category

Fluval M300
entry
M300
Fluval
Heater$39
EHEIM Jäger 300W
mid
Jäger 300W
EHEIM
Heater$39
Finnex HMA-300s
mid
HMA-300s
Finnex
Heater$43
Bulk Reef Supply Titanium Heater 300W
mid
Titanium Heater 300W
Bulk Reef Supply
Heater$45
Hydor Theo 300W
entry
Theo 300W
Hydor
Heater$46
EHEIM ThermoControl E 300W
mid
ThermoControl E 300W
EHEIM
Heater$55
Available in: USLaunched: 2024Report a data error

Frequently asked

What are the key specs of the Finnex HMU 300W?

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

How much does the Finnex HMU 300W cost?

The Finnex HMU 300W starts around $60, though prices vary by retailer — see current offers on this page.

Which tanks is the Finnex HMU 300W compatible with?

Based on ReefPicker's compatibility checks, the Finnex HMU 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.