Terra Activa Shrimp and Plant Aquarium Active Substrate 2L • Creates optimal conditions for rooting and growth of aquatic plants. • Perfect for the maintenance and reproduction of freshwater shrimp. • Recommended for mildly acidic water fish, allowing their introduction the same day. • Creates slightly acidic water condition, optimum for plants and aquatic animals. • Does not release ammonia into the water, avoiding the algae outbreaks. • Decreases water hardness. • Long-lasting granule maintains its quality longer and does not break. • Provides for a long period of time the essential plant nutrients. • Crystal clear water due to its ability to capture and retain water colloidal particles. Instructions: 6-10cm layer of Terra Activa Do not rinse. No need to cover with gravel. Put the water in the aquarium slowly. You can introduce plants and animals immediately.