The flagship canisters, the ’06 range, only go as far as the Fluval 406, rated for tanks up to 400 l/88 gal capacity. If you’re in the 700–900 l/155–200 gal tank range, you’re stuck between the choice ...

The new Fluval U Series of filters may look the same, but there have been several tweaks to improve the design. The more things change, the more they stay the same. Except in the case of the Fluval U ...