rikka “Malachite Green” is a classic remedy against ichthyophthiriasis (ich), costiasis, oodiniosis, saprolegniasis, fin rot, dermatomycoses and parasitic infestations.Corals and other invertebrates in marine and fresh water do not tolerate the product.Recommended for experienced aquarists.DIRECTIONS:1 ml per 10 l of water.Repeat with a full dose on days 3, 5, etc. until the end of treatment (decided by the aquarist).For delicate fish, halve the dose.Change 30-50% of the water right before each repeat treatment.Raising the temperature to 30°C enhances the effect, if the fish tolerate this temperature.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: malachite green oxalate 0.2%.Volume: 100 ml and 50 ml.Manufactured in accordance with TU U 20.5-3348315741-001:2015.Not a veterinary medicine!