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Rock alum (aluminum sulfate,
) is a white crystalline, non-combustible solid used primarily as a powerful coagulant and flocculant to purify, clarify, and treat turbid water by settling impurities. It is commonly used for water treatment, paper manufacturing, soil pH adjustment (lowering pH), and as a mordant in dyeing
Key details:
Water Treatment: It binds with suspended dirt particles, making them settle at the bottom of containers.
Agricultural/Other Uses: It is used to change soil pH for acid-loving plants (e.g., making hydrangeas blue) and acts as a molluscicide to kill slugs.
Safety: While used for cleaning water, excessive consumption can cause nausea or diarrhea. It is not a disinfectant, so it does not kill bacteria, though it helps remove the material they grow in
#rockalum #alluminiumsulphate #watertreatment