4 pounds copper sulfate 3 pounds rock salt 1 gallon water Dissolve copper sulfate and rock salt in water in a 5-gallon crock. Wrap old newspapers tightly and tie. Soak the newspapers in the solution, then dry them well and Read More …
4 pounds copper sulfate 3 pounds rock salt 1 gallon water Dissolve copper sulfate and rock salt in water in a 5-gallon crock. Wrap old newspapers tightly and tie. Soak the newspapers in the solution, then dry them well and Read More …