Metal coach

A method of making a surface treatment composition comprising:

• preparing a first mixture comprising borax (sodium tetraborate decahydrate), baking soda, linseed oil and water and ripening the first mixture to prepare a first solution;
• preparing a second mixture comprising water, sweetener, and at least one of muriatic acid, ammonia, and mineral spirits and ripening the second mixture to prepare a second solution;
• preparing a third solution comprising water and at least one of liquid dish detergent or soap;
• and
• combining the first solution, the second solution, and the third solution to form a fourth solution and ripening the fourth solution.