• Mouth and fins appear to be rotting away
• White cotton wool like growths are visible on the fish
• The fish flick against solid objects
• Fish gasp at the surface
• Fish appear to be covered in slime or white spotsAvailable in...250ml bottle - treats 2273 litres (500 gallons)500ml - treats 4546 litres (1000 gallons) (2 x 250ml bottles)1000ml bottle - treats 9092 litres (2000 gallons)2000ml - treats 18184 litres (4000 gallons) (2 x 1000ml bottles)