eSHa Exit is an effective treatment against all 'Spot' (Ich) diseases. EXIT also cures Velvet Acts fast against Whitespot and other Spot Parasites. Safe for use with sensitive tropical fish. Treats 2000 litres (440 gallons). Exit can be used in combination with eSHa 2000. This combination provides you with a broadly effective tool to treat most diseases your fish will encounter.