Many aquarists report the positive effects of an additional dose of iodine on the inhabitants of their aquariums. These descriptions mainly relate to the care of soft corals, gorgonians and encrusting anemones. But also to the increase in blue and violet coloration in hard corals.

Did you know? The adsorbing surface of a teaspoon of activated carbon is about the size of a football field. Enough to absorb plenty of yellow substances and make your aquarium crystal clear.

A weekly 10% water change is usually sufficient to supply trace elements if the coral population is small and easy to care for.

They are a scourge of marine aquariums and everyone who has this hobby will sooner or later have to deal with them: we are talking about cyanobacteria. But don't worry - if you intervene early and follow our tips, you will quickly get rid of this plague.

Dinoflagellates can be found in every saltwater aquarium, for example as a vital symbiont in corals or as a nutritional component in phytoplankton. There are countless different species and while some are quite useful, others can wipe out the entire aquarium population if they multiply in large numbers. In the following article, for the sake of simplicity, we will tar all dinoflagellates with the same brush, but we are mainly referring to the problematic dinoflagellate species.

Sometimes it is not so easy to find the right position for each individual coral in the aquarium. We will explain what you need to pay attention to and give you tips on the correct placement.

Among countless pieces of information and reports, there are still some reef tank myths that persist to this day and make us shake our heads. We have put together a small selection for you here and will clarify them.

Start cultivating phytoplankton by yourself! With our tips culturing phytoplankton is easy.

The cost of a saltwater aquarium puts many people off from the hobby. It is mainly the initial costs that are a big factor. However, the ongoing costs are hardly any different from those of keeping other pets.