eSHa exit - Anti Whitespot Treatment. eSHa Exit is an effective treatment against all \'Spot\' (lch) diseases and also cures Velvet. eSHa Exit can be used in combination with eSHa 2000 - Fungus Finrot Bacteria Treatment this combination provides you with a broadly effective tool to treat most diseases your fish will encounter. - Acts fast against Whitespot and other Spot parasites. - Safe for use with sensitive tropical fish. - Suitable for tropical freshwater and coldwater aquaria. 20ml bottle completes treatment for a 1000 litre aquarium.