Goldfish tank water changes

Cartoon of a goldfish in a tank during a water change

Water changes are a key part of proper goldfish care. But what is involved in changing goldfish water? Following the correct process can be the difference between keeping your fish strong and healthy in water that is perfectly suited to its needs, and keeping your fish in poor quality water that is hazardous to its … Read more

Goldfish Tank Setup: Cycling your goldfish tank

Cartoon of a goldfish tank surrounded by arrows representing the nitrogen cycle

So you’ve decided to get a pet goldfish, you’ve bought a suitable tank, a large enough filter, and maybe some food, plants and decorations… all you have to do now is rush down to the pet shop and pick out your new fish, right? Wrong! There’s one more very important step to goldfish tank setup … Read more

Goldfish water temperature: What temperature should goldfish water be?

Cartoon drawing of a thermometer

In this article, we look at goldfish water temperature. What temperature should goldfish water be? And how does temperature affect your fish? Goldfish are hardy fish that can survive a wide range of water conditions. This includes very cold and quite warm water. However, there are still some temperatures that are better for goldfish than … Read more