Tetra Active Substrate 6L

Natural substrate for a plant-friendly soil climate Ready-made base material concentrate with an effective long-term fertiliser. * For the lush, healthy growth of plants and reduced water contamination * Consists of a high-quality mixture of sand with a naturally high iron and micro-nutrient content as well as natural black peat with a high humic content * The grain size of the sand enables plants to take root quickly and make optimum use of the nutrients * Free of nitrates and phosphates, to prevent the undesirable growth of algae * Aquatic plants take root quickly, inhibiting the growth of algae in the critical setting-up stage