Care

Fish diseases

Fish diseases in an aquarium should not be taken lightly – find out more about potential symptoms and measures.
Care

The most common fish diseases

A brief overview: the most common fish diseases and how you can combat them.
Care

Aquarium plants

Plants are often a key part of what makes aquariums such eye-catching features in living rooms. However, these have far more than just decorative benefits. Read on to discover why beautiful aquarium plants are a must for your underwater world as well as for tips on how to look after them.
Care

Popular aquarium plants

The perfect aquarium plant is both beautiful and easy to look after. Are you familiar with the popular choices below?
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Frequently asked questions regarding aquarium plants

Are you thinking about adding plants to your aquarium? Learn more as to what you need to do to ensure your plants remain healthy. Why do the leaves have holes in them? Why are the leaves on my plants turning brown? Read on for the most important questions and answers about plant care.
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Don't give algae a chance!

How can I prevent excessive algae growth in my aquarium and how can I effectively tackle the unpleasant green stuff? Every aquarist asks themselves this question at one time or another. Dr Birgit Burg, who is responsible for the development of all Tetra care products around the globe, responds to the main questions on preventing and tackling algae in aquariums and offers a number of helpful tips.
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Tetra Care System – product tips via an online tool

The water in your aquarium is cloudy but you have no idea which product will help? Aquarists can now find the perfect product for their everyday needs at the click of a button thanks to the Tetra Care System, a simple online tool that is also always at hand via mobile phone.
Care

Stable water parameters

A good water quality is vital. Even if the water in two aquariums is never the same, stable water parameters are essential for all aquariums.
Care

Checklist for healthy aquarium water

Healthy water = healthy fish. Biological filtration is the key determining factor for clean, healthy and clear water and therefore a healthy underwater environment in your aquarium. By following a few basic rules, you can ensure that your aquarium works well and offers its inhabitants a healthy living environment with little effort on your part.