How to do an aquarium water change
Water changes should be a regular part of your maintenance routine. You should perform a 25% water change alongside cleaning your filter and a general tank clean up every 28 days. However, there may be other times where you need to perform a water change including: after testing water quality, treating for disease or when starting a new aquarium.
The video below runs you through the process of a water change to make sure you get the job done efficiently: