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?

One of the greatest advances in reefkeeping in the last few years has been in nutrition. What does this mean for our corals?

Hot weather can cause real problems for some pond fish and it’s in heatwaves and during warm, muggy nights that your fish are most likely to succumb.

Hair algae is the common name for the green filamentous algae that grows in reef tanks. Its most common in new aquariums, but can show up for a number of reasons.

Alkalinity, also known as KH, dKH or Carbonate Hardness is one of the most important parameters in a reef tank. Control KH and you will be well on the way to success.

Being an algae, Blanketweed needs light, water and food to survive. Without those three ingredients it won’t get started in the first place and by controlling two of them, it can help us tackle it once established.

Cleaning a sponge should be the easiest of tasks, with few ways to get it wrong, but not if its an aquarium filter sponge.

This is one of the most frequently asked questions, and one that we’ll attempt to answer here. But it is subject to many variables which need to be addressed first.

Ich is an abbreviation of the word Ichthyophthirius multifiliis, the scientific name for Whitespot, something most fishkeepers experience at some point.