rikka “Nitratoclean” is specially developed to reduce nitrate in aquarium water. It biologically supports beneficial bacteria that feed on nitrates and so lower their level in the water.Removing nitrates greatly suppresses the growth of unwanted algae.Based on natural aquarium processes, it is completely safe for fish and other inhabitants.DIRECTIONS:Shake well before use!Provide intensive aeration in the aquarium during use!Use the product at every water change.Dosage: 2.5 ml of rikka “Nitratoclean” per 10 l of aquarium water.Shelf life: 24 months.Volume: 100 ml.Manufactured in accordance with TU U 20.5-3348315741-001:2015.