Tetra Active Substrate 3 l

The Tetra Active substrate ensures the optimal climate for healthy growth of the plants in the aquarium. It consists of water-neutral clay materials. It prevents soil compaction and ensures ideal circulation. It also activates the soil flora and promotes the colonisation of beneficial soil bacteria. It offers 50% higher water permeability than gravel. Tetra Active substrate protects the fish at the bottom from abrasion. It has a natural look and does not muddy the water.