Broad spectrum biocide for aquaculture operations (eggs, fish and shellfish). Effective virucidal activity, bactericidal against gram-positive and gram-negative bacteria (Aeromonas, Pseudomonas, Vibrionaceae); fungicidal, sporicidal (against bacterial and fungal spores), antiprotozoal and algicide. May be applied for health prevention and in the treatment of external diseases in fish, molluscs and crustaceans, egg disinfection, disinfection of tanks,