Preparation of 1 % Bordeaux Mixture:
Dissolve @ 1.0 kg of Multiplex Copper Sulphate in 50 litres of water in the first container
In the second container dissolve 1.0 kg of Calcium carbonate or any lime source in 50 litres of water.
Finally, mix both the solutions slowly in a third container by stirring continuously for solutions to become neutral.