Fertiliser sticks for the aquarium substrate， which create a long-term nutrient base for aquarium plants - transforms gravel into a fertile substrate.

as a natural product， it contains humus， organic iron complexes， as well as inorganic nutrient depots
aquatic plants take root fast， inhibiting the growth of algae in the critical setting-up stage
promotes the growth of important micro-organisms in the substrate
the sticks are mixed in with the gravel when the aquarium is set up， immediately activating the substrate
a few sticks are pushed into the gravel for subsequent dosages