Jeremy Gay

Water changes are really important for fish tanks. They lower pollutant levels and can add buffers, freshening up the tank and aiding fish growth.

Marine fish have evolved to take advantage of all the different types of food that are available in the ocean, so their foods need to be diverse.

Most fishkeepers know about the importance of cleaning filter sponges, and to only ever do it in old aquarium water, not tapwater.

Fish stocking levels rely on several factors, but if your aquarium is more than 6 weeks old and has a mature filter, here are our recommendations.

Reef tanks take time to mature and within that time conditions may not necessarily be at their best for all inhabitants.

Quarantining newly purchased fish is so important as we can’t see if they are carrying parasites with the naked eye. Read our helpful guide on how to set up a quarantine tank.

Aquascaping doesn’t have to be the sole domain of planted tank owners and literally just means landscaping underwater.

A number of factors can affect the pH in an aquarium and lower it. The first factor is the source water. Learn how to identify and fix low pH.

Wood can be found naturally in freshwaters all over the world, and many fish have adapted to live near to it, breed on it and even feed on it.