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If the parts are exceedingly painful, wash with a weak lie, or wood ashes, or sal soda.

Heat the sal soda in a vessel over the fire, add the water boiling.

Hard water may be softened with potash or sal soda, which is much cheaper than borax and ammonia, but potash and sal soda are both corrosive and very injurious to the linen.

Large crystals of sal soda containing but 37% sodium carbonate are formed.

I spray just before the bud swells, and after they bloom, with white arsenic; sal soda and lime for canker-worms and moths; think I have reduced the codling-moth.