Dennerle DeponitMix Professional ensures that plants get off to a good start and develop strong roots even in the case of the most delicate varieties. On the basis of tests spread over many years Dennerle\'s aquarium plants nursery has developed this long-term mineral nutrient medium especially for aquaria. 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. - Ready-to-use mixture. - Concentrated growing power for healthy rich green plants. - Long term active nutrients for magnificent growth over many years. - No added phosphates or nitrates. - Does not promote algae growth. 4.8kg tub sufficient for 100 - 140 litre aquariums.