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Temperature

Titanium Heater (300W)

Finnex HMA-300S

heater · $$

Recommended tank volume: 250–400 L

Performance & sizing

Core numbers for matching this unit to your tank and electrical plan.

Power: 300 W
Flow rate: —
Noise: —
Dimensions: 4x4x36
Price range: $$
Tank fit (L): 250–400 L

Running cost (electric)

At continuous full load (300 W), approximate draw is ~216 kWh per month (24/7). Actual use depends on dimming, duty cycles, and thermostat control.

Convert to currency in Tools → Cost.

Consumables & maintenance

Inspect heater contacts and calibration seasonally; replace if temperature swings or visible wear.

Description

The Finnex HMA-300S is a reliable and easy-to-use aquarium heater designed for freshwater enthusiasts. Its compact design and adjustable temperature control make it a popular choice among aquarists who value simplicity and precision in their water temperature management. Suitable for both beginners and experienced hobbyists, this heater is a great addition to any freshwater aquarium setup.