Choosing an Aquarium Filter – Quick guide

Choosing an Aquarium Filter For new aquarists, choosing an external filter can be a minefield. Which is the best brand? What size do I need? How many litres per hour should I be looking for? There are a whole host of questions such as the above that are often asked, so in this article, we're going to answer them and help you on your way to choosing the perfect filter for your setup and budget.