Slow release fertilizer.
Terralit - slow release fertilizing medium providing optimal nutrient supply for aquatic plants via the aquarium substrate. terralit is based on natural zeolite and is loaded with nutrients by a special manufacturing process. These nutrients can only be assimilated by the plant’s roots, making over fertilization impossible. Aqua Medic Terralit also bonds and re-releases water borne nutrients, promoting rapid growth of the plants.

1000 g for 100 l
2000 g for 200 l
5000 g for 1000 l