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Professional water analysis sounds very expensive. But the professional water testing in your aquarium or pond at home also works on a high level and above all it is simple and inexpensive.

Many pond owners believe that fish diseases are mainly introduced and passed on by sick fish. Fortunately this is very rarely the case and it’s mostly up to you whether your fish keep well and fit. More than 90 % of the diseases are caused by inappropriate living conditions, such as water values and inadequate nutrition!

If we transfer this Liebig’s Law of the Minimum to the aquatic field it quickly becomes clear how important balanced fertilisation is for plant aquariums.

A lot of aquarists are talking about liquid CO2, which is said to be able to replace a conventional pressurized gas system or a bio-CO2 system.

Bacterial preparations for aquariums have been on the market for more than 20 years. That’s a very long time. From the start they were used to establish healthy bacterial flora or as an emergency measure to quickly add fish to a freshly set up aquarium.

Aquarists wanting to aquascape will need to rethink their substrate: sand or gravel are only suitable for decorative purposes, when no plants are to be put in.

Is one of your aquarium dwellers acting oddly or looking different? This could be a first sign of disease.

In the aquarium scene we often hear people talking about “accurate” and “inaccurate” tests. But mostly they mean a rougher or finer scaling of the output values.

The carbonate hardness (not the general hardness!) contains components which stabilize the pH level. They prevent extreme pH levels and ensure the aquarium functions properly.

Based on our own experience in customer service and the many messages and questions we receive, we have put together the typical mistakes beginners may make. The experienced aquarist might well smile, but if they are honest, these are mistakes we all made at the start, aren’t they?