• Active substrate for planted aquariums and shrimp. • Creates optimal conditions for rooting and growth of aquatic plants. • Perfect for the maintenance and reproduction of freshwater shrimp. • Recommended for fish from slightly acidic waters. • Slightly acidifies the pH creating optimal conditions. • Does not release ammonium, preventing algae blooms. • Long-lasting granule that does not disintegrate. • Provides essential nutrients for a prolonged period. • Crystal clear water thanks to its ability to capture colloidal particles. • Contains 2 liters of special black plant sand with normal granule size.