Mixing equal parts by volume approximates the ideal C:N range.

To make it, combine compost (homemade or 5 different kinds of store bought), peat moss, and coarse vermiculite in equal parts by volume.

One good basic starting soil mix is made up of six parts by volume of loam, three parts organic matter and three parts sand.

It consists of 95 parts by volume of alcohol and 5 parts by volume of wood naphtha, or a substitute for wood naphtha.

To remove green stains caused by copper or bronze, mix whiting and equal parts by volume of household ammonia and either sal ammonica (aluminum chloride), available at some pharmacies, or table salt.

Under average conditions, 100 parts of wood yield about 60 parts by volume, or 25 parts by weight, of charcoal; small-scale production on the spot often yields only about 50%, large-scale was efficient to about 90% even by the seventeenth century.

For testing, try dissolving 10 grams of soap (about a tablespoon) in 2 ounces of a water/isopropanol solution [Prepared by mixing 3 parts by volume of 70% isopropyl alcohol (rubbing alcohol) and one part of distilled or R.O. water.

The standard formulation for CDA produced in the UK is 90 parts by volume of alcohol, 9.5 parts by volume of wood naphtha, or a substitute for wood naphtha and 0.5 parts by volume of crude pyridine.