Aquariums

Aquarium gravel comes in all shapes and sizes but some suit some fish better than others, while others may be unsuitable for certain fish, or aquarium use altogether.

“Do a partial water change,” those are the words you’ll hear often as a fishkeeper but what does that mean and why and how can it help your situation?

Cyanobacteria is often mistaken for algae but as the name suggests its a bacteria, not an algae at all. Because its not an algae, it needs to be tackled in different ways.

Angelfish are some of the most popular tropical fish of all time and are widely available. They top the lists for many new fishkeepers.

Aiptasia are the bane of many a reefkeeper’s life, and they can get so bad that people leave the hobby because of them.

The Fluval Flex is a modern-looking aquarium with a funky shape and large filtration capacity. At 41x39x39cm it holds 57 litres/12.5 gallons.

High pH can be good for some fish that naturally inhabit hard, alkaline waters like Lake Tanganyika cichlids, Malawi cichlids and Sailfin mollies.

Want to build a reef tank but unsure on all of the different types of coral? We've put together this useful guide to teach you about them.

UV sterilisers are useful pieces of kit for combatting algae in an aquarium, but should they be left on all day, every day, or should they be turned off during certain hours?