Agricultural Virus, Fungicides, Bactericide, Microbicide & Germicide. ½ gm dissolve in 1 litter water, it is Protective, effective & finish all. Two spray are required, suppose one spray is given today then after 10 to 15 days second is required. Dissolve 1 Kg Virus Fungicide 5555 in 20 liter of water, it will make 20 bottles of 1 liter solution. Out of these 20 bottles one bottle is sufficient for 100 liter of water. you can also make 40 bottles of 500ml each, 500ml bottles is sufficient for 50 liter of water.