Dennerle Deponit-Mix Professional 10 in 1 is the professional nutrient medium for all aquarium plants. It was inspired by natural mechanisms. High-quality quartz sands create the optimum bed climate. Carefully-selected clay minerals regulate the balance of nutrients. They release nutrients when necessary, and absorb them again when a surplus arises. Humus-rich natural peats create a slightly acidic bed environment, and pre-digest nutrients to convert them into a form that plants can use. Concentrated nutrient iron combined with vital trace elements ensure balanced growth and rich green leaves. Special, highly-porous granules make the bio-filter function many times more effectively - thereby improving both the water quality and the health of the fish.All nutrients and trace elements are in depot form with immediate and long-term effect. Deponit-Mix Professional 10in1 ensures safe growth and strong root development, even for sensitive species. The nutrient medium contains no additional p