Gas burners must be taken off and boiled in a solution of sal soda once in a while.
Large crystals of sal soda containing but 37% sodium carbonate are formed.
For instance: Equal parts of soft soap and sal soda, with enough crude carbolic acid to give a strong odor.
When the annotto is all dissolved, add five pounds of sal soda and five gallons of soft water.
Dissolve the chloride in half the water cold, and the sal soda in the other half boiling.
Sulphate of lime in water, causing scale, may be counteracted and scale removed by using coal oil and sal soda.
Heat the sal soda in a vessel over the fire, add the water boiling.
A soap to clean clothes without rubbing: Take two pounds of sal soda, two pounds of common bar soap and ten quarts of water.
Dissolve the sal soda, borax, and sal tartar in the hot water and add the other ingredients.
Bring to a boil one pound of sal soda, half a pound of unslaked lime, a small lump of borax, and five quarts of water.