The aim of any pond owner is to have clear, healthy water. Although filters are designed to trap waste, they actually need to be clean inside too.

Sludge is ok in natural wildlife ponds but in ponds containing fish, it can lower oxygen levels and encourage algae growth.

Sumps can be used on any aquarium but are most popular with marine keepers. In essence, a sump is another aquarium attached to the main one.

Work out the size of the pond you want to achieve first, then dig it, and measure the maximum length, the maximum width, and the maximum depth.

Gardening has boomed since Lockdown, with many people spending more time in their outdoor spaces than ever before.

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?

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.

Extreme heatwaves are becoming more frequent and that can affect your aquarium fish. Even tropical fish don’t like it too hot, so hot weather can cause aquarium overheating and risk their lives.

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