Izal is one of the common disinfectant used regularly at home,schools, hospital, and different place. It is highly concentrated and very effective when used in toilet cleaning, floor tiles and other surface. Below are simple steps on how you can make izal disinfectant. To avoid wastage, you can divide it by two to produce in 5 litres . The measurement for this izal is for 10litres. If you want to produce in large quantities, multiply each measurement by the amount you want to produce. You can also click here to learn how to make dettol liquid antiseptic.