Formula:

Lime ... ... ... ... ... ... 3 lb.

Sulphur (flowers of) ... ... ... ... 3 „

Caustic soda ... ... ... ... ... 1 „

Soft soap ... ... ... ... ... ... 1 .

Water ... ... ... ......... 10 gal.

Make the sulphur into a thin paste and pour over the lime; then boil for a quarter of an hour and keep stirred, and add the caustic soda. Continue to boil for some time, and then add dissolved soap and full quantity of water.