Household Substitutes --------------------- I have included a chart of the chemicals' names and their more common household names. This chart is not entirely correct, although it may seem so. The household substitutes must be checked before using them to be absolutely certain they are what you want. Be sure that the chemical you want is alone, since if it is included in the household substitute, but not isolated, the extra ingredients may counteract the desired results. CHEMICAL NAME HOUSEHOLD SUBSTITUTE ------------- -------------------- acetic acid vinegar aluminum oxide alumia aluminum potassium sulfate alum aluminum sulfate alum ammonium hydroxide ammonia carbon carbonate chalk calcium hypochloride bleaching powder calcium oxide lime calcium sulphate plaster of Paris carbonic acid seltzer carbon tetrachloride clean