King British Ws3 White Spot

King British Original Formula WS3 White Spot Control is a veterinary medicine for the treatment of fish infected with White Spot. Also known as Ich or Ichthyopthirius, this is a persistent protozoan parasite that exhibits itself as pinhead-sized white spots. Costia & Trichodina can also be controlled with this product.  Suitable for both coldwater and tropical aquariums. WS3 is our strongest strength formulation against white spot. One 50ml bottle will treat up to 4,500 litres of tank water.