Fluval (Hagen): Filters + LEDs

Fluval is the Hagen brand line for freshwater aquarium equipment. The FX series of canister filters (FX2/4/6) are reef-grade build quality at freshwater pricing. The Plant 3.0 / Marine 3.0 LED bars are popular for planted tanks. The Flex and Spec lines are all-in-one nano aquariums.

Known for

FX series canister filters

FX2 (175 GPH), FX4 (700 GPH), FX6 (925 GPH). Ridiculous over-build, easy maintenance, 10+ year service life.

Plant 3.0 / Marine 3.0 LEDs

Programmable LED bars for planted freshwater (Plant 3.0) and reef (Marine 3.0). Bluetooth control, daily ramping schedules, weather effects.

Flex / Spec / Edge nano aquariums

All-in-one nano tanks in 5-30 gallon sizes. Common starter tanks for beginners.

Pros and cons

Pros

FX series is the best canister filter dollar-for-dollar
Plant 3.0 is the planted tank LED standard
Wide parts availability

Cons

Marine 3.0 LED is not powerful enough for most reef tanks
Some bundled accessories (filter pads, foam) are mid-tier

Common competitors

Eheim · Oase · Aquatop