PREIS Diskus-Wasser-Fit helps to create a faster biological equilibrium in your aquarium water. Its usage is ideal when changing water or for new installations. PREIS Discus Water Fit neutralizes aggressive materials and enriches the aquarium water with fish -appropriate bacterias. At the same time it supplies your aquarium water with necessary minerals and trace elements. Your Discus fish feel better sooner and can display their rich coloring quicker. PREIS Discus Water Fit has proven itself especially during breeding, as its minerals help prevent fungal infections during spawning and disfiguration. Discus fish are also less susceptible to sicknesses due to lack of minerals, such as the widespread hole in the head disease.Dosage of PREIS Discus Water FitDosage for osmosis water and other waters with a carbonate hardness under 5dKH: 20 ml for 100 litres of water. For water over 5dKH carbonate hardness use a half dosage (10 ml for 100 litres of aquarium water).