Alum is used as 1. Analgesic 2. Fertilizer 3. Disinfectant 4. Purifier for water
Alum used for purification of water.... For household we use 30-40ppm....
Alum has been used at least since Roman times for purification of drinking water and industrial process water.
Soda Alum Soda alum has the formula NaAl(SO4)2·12H2O. It is used in baking powder and as an acidulent in food.
Alum has various uses such as it is an ingredient in deodorants and its powder is used to treat haemorrhoid and cuts
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