Tetra Vital promotes vitality, well-being and the exotic natural colouring of fish. Tetra Vital creates a species-typical biological balance and a natural environment. Vitality and well-being are strengthened by naturally active B vitamins and the trace element iodine (important in combating iodine deficiencies). Tetra Vital promotes the growth of plants and micro-organisms. It contains substances from the fish's natural habitat that tap water can not provide. The effect of Tetra Vital is optimised by the use of Tetra AquaSafe.Application Tetra Vital:Add 5 ml per 10 litres of aquarium water every 4 weeks. Only for freshwater aquaria suitable.