Natural background based on volcanic lava, enriched with minerals essential for plants.When used, slowly releases its minerals in water. The bottom is already washed, but even so when used it can initially slightly lighten the water in the aquarium for about 12 hours; it is a natural phenomenon and does not cause side effects. For the first six months, dose the microelements fertilizers sparingly to avoid accumulation.
How to use:
Sprinkle the bottom with a layer of about 7 cm thick, plant all the plants and fill the aquarium with water.
