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Setting up a filter for the first time is much easier than most people think! With a JBL ProCristal i greenline internal filter, you not only have an energy-saving internal filter, but also a guarantee for crystal clear water in freshwater and marine aquariums

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?

The fish stay under the water surface in the morning, gasping for air.

The JBL plant care concept leads to vigorous and healthy growth even with the most demanding aquatic plants. JBL has all the components you need, whether it’s a fertiliser, a bottom substrate or a fully automatic CO2 fertiliser system.

Special filter media can also be used to target and remove any problem substances, such as nitrate or phosphate, from the aquarium water. This table gives you an outline: