Everyone loves a clean tank but a grubby, algae-covered tank can really detract from the beauty of the fish. It can even make you want to give up fishkeeping!
Mechanical filtration traps particles that pass through it and clears the water. It’s the most basic form of filtration and the one that most people can actually see working as it can turn dirty water that is full of particles into clear water.
Pond pumps usually stop working because they get clogged up with dirt and need a clean. Here's a list of checks to carry out to get your pond pump working again.
The aim of any pond owner is to have clear, healthy water. Despite the filter’s job of trapping all that waste, a filter should actually be clean inside too.