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What do plants actually need iron for?

For plants, iron is like the multi-tool in a toolbox – it's involved in many important processes. It plays a particularly important role in the formation of chlorophyll, the chlorophyll in leaves. Without iron, plants essentially function imperatively – no growth, no energy production. So, it's not a "nice to have," but a true must!

The last part of the plant care guide is about what aquarium plants need in addition to fertilization.

In the fourth part of the plant care guide, you will learn how to apply the right amount of plant fertilizer.

In the third part of the plant care guide, you will find out how plants absorb their nutrients and what different forms of fertilizer are available.

In the second part of the plant care guide, we explain the different plant nutrients and how a possible deficiency can be noticed in plants.