Blagdon 250ml Anti Fungus & Bacteria - YR212Use Anti Fungus and Bacteria when fish appear to have white cotton wool like growths, or mouth and fins appear to be rotting away. This is a fast and effective treatment which is wildlife and fish safe. This treatment acts against fungus and bacteria such as: fin rot, mouth fungus, mouth rot (flexibacter columnaris) and cotton wool fungus (saprolegnia). The 5 day course of the Anti Fungus and Bacteria treatment allows a build up of a suitable dose