How to Fertilize Aquarium Plants Naturally

Just like all other plants, even aquatic plants need to be fertilized to be able to thrive in a water garden. And, just like normal plants, there are different ways in which they can be fertilized, with different specific products. Below, we will learn how to fertilize aquarium plants naturally.

How to fertilize aquarium plants naturally?

You will need:

  • Liquid fertilizers for aquatic plants
  • Fertilizers for specific substrates
  • Suitable primer fertilizers

how to fertilize aquarium plants naturally

Chlorophyll photosynthesis

Aquatic plants live in a biosystem consisting of the aquarium: their habitat. As with all green plants, their survival depends on the implementation of chlorophyll photosynthesis. This is nothing more than a biochemical process through which plant chlorophyll captures light. Then he transforms it into chemical energy for the synthesis of glucose molecules and the release of oxygen. The existence of correct lighting in addition to a valid quantity of carbon dioxide is therefore of fundamental importance. These basic elements are not entirely sufficient to grow aquatic plants in a luxuriant way. It is necessary to resort to the addition of nutrients, such as suitable fertilizers.

Specific fertilizers

Most aquatic plant growers for years have simply used a mix of manure and soil to provide them with the necessary nutrients. In other words, it is the same method of fertilizing land plants. Today, however, there are several types of fertilizers designed specifically for aquatic plants. These mainly aim to significantly improve the health and aesthetic appearance of plants.


As anticipated, before adding any type of fertilizer, you need to make sure you have the right levels of light and pH. They will allow plants to properly assimilate nutrients. So, first of all, make sure that the water has a pH level between 6.5 and 7. And also that they have enough light to perform photosynthesis. The speed with which the fertilizer is applied depends heavily on the type of soil, the size of the plant and the temperature of the water. When the latter is below 20 ° C, the fertilizer must be applied at least every 4 weeks. In fact, cold water could slow down the growth rate of plants. In contrast,

Suitable types of fertilizers

Fertilizers are available both in liquid form, which can be placed directly on the plant, and as a powder. In the latter case they can be mixed directly in the soil or can also be used in tablets. These fertilizers contain all the nutrients that aquatic plants need. A liquid fertilizer will need to be added to the plant frequently. It is necessary to lift the potted plant out of the water and spray the fertilizer according to the instructions. Both types will help keep plants healthy and lush.

Adequate periods

Although there are some general guidelines for fertilizing aquatic plants, in some periods of the year it will be necessary to intervene more often. These are the periods in which aquatic plants need an extra boost due to weather conditions. In addition, this operation will have to be carried out when the flowers begin to bloom or when the plants remain for a long time without sunlight.

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