Quinine Quinine Quinine is a medication used to treat malaria and babesiosis. This includes the treatment of malaria due to "Plasmodium falciparum" that is resistant to chloroquine when artesunate is not available. While used for restless legs syndrome, it is not recommended for this purpose due to the risk of side effects. It can be taken by mouth or used intravenously. Malaria resistance to quinine occurs in certain areas of the world. Quinine is also the ingredient in tonic water that gives it its bitter taste. Common side effects include headache, ringing in the ears, trouble seeing, and sweating. More severe
Hard water the effects of hard water on the surfactants. For this reason, water softening is often unnecessary. Where softening is practised, it is often recommended to soften only the water sent to domestic hot water systems so as to prevent or delay inefficiencies and damage due to scale formation in water heaters. A common method for water softening involves the use of ion exchange resins, which replace ions like Ca by twice the number of monocations such as sodium or potassium ions. Washing soda (sodium carbonate - NaCO) is easily obtained and has long been used as a water softener for