rikka “Silver nano” is an improved form of a proven remedy against fungal and bacterial diseases of aquarium fish in fresh water.It is effective against primary and secondary external bacterial and fungal skin lesions in fish, fry and eggs. Thanks to its disinfecting properties, it helps fish wounds heal quickly, disinfects the aquarium water and protects the fish's skin mucosa.Safe for invertebrates at the recommended concentrations.DIRECTIONS:Shake before use!Add 1 ml per 10 l of water. In severe cases: 1 ml per 5 l of water.To disinfect eggs: 1 ml per 10-20 l of water.For a bacterial bloom (milky white water): 1 ml per 5-10 l of aquarium water.It is best to add the dose at night.Before each treatment, change 30-50% of the water and switch off the filter and lights.After treatment, filter the water through activated carbon (rikka “Carbon Active”) for 24 hours.rikka “Aqua Start” helps re-establish beneficial bacteria in the aquarium after treatment.Shelf life: 24 months.Composition: 99.99% silver nanoparticles, 100 ppm.Volume: 100 ml.Manufactured in accordance with TU U 20.5-3348315741-001:2015.Not a veterinary medicine!