Key Features Substrate concentrate with long-term effect For new installation of aquariums Promotes fast, secure adhesion and resistant roots Natural product enriched with specific micronutrients and minerals Long-lasting iron for rich green leaves Tetra CompleteSubstrate is a natural long lasting substrate compound comprised of natural black peat with a high content of humic components, which creates a balanced soil climate. It is perfect for new installations of aquariums, promoting fast, secure adhesion and reistant roots. The Tetra Complete Substrate can be added to the base of an aquarium prior to adding gravel. This substrate does not contain nitrates of phosphates and is suitable for all freshwater aquariums. For additional plant growth support consider other enrichment products to use in conjunction with Tetra CompleteSubstrate such as root and leaf fertilisation aswell as co02 enrichment. Specifications Suitable for all freshwater aquariums. Size: 10kg