Long-lasting fertilizing substrate for freshwater aquariums. Promotes healthy, lush plant growth. Composed of a blend of 3 different high-quality gravels, rich in iron and micro-nutrients provided by black peat naturally rich in humic compounds. The size of the gravel ensures good rooting. Guaranteed nitrate- and phosphate-free, to prevent undesirable algae growth. Ensures harmonious plant growth rapide (at the critical moment of aquarium design). For all freshwater aquariums.
