... reagent, also used in organic synthesis. Used for making bleaching powder, hair removal agents, hard water softeners, only the acid ... disinfectant, astringent, and various calcium salts. Used for making bleaching powder, hard water softeners and water disinfection agents and construction industries ... of water, stir into a paste, add the konjac powder 5% to 7% of calcium hydroxide (prepared with 10 ...