Acid and Alkali are essential chemicals used in wastewater treatment for pH control and process optimization. They help maintain the required chemical balance in water to ensure efficient treatment and compliance with discharge standards. Acids are used to lower the pH of alkaline wastewater, helping neutralize highly basic effluents and improving conditions for downstream treatment processes. Alkalis, on the other hand, are used to raise the pH of acidic wastewater, neutralizing acidity and supporting chemical reactions such as coagulation and precipitation. Proper pH control is critical in wastewater treatment because most chemical and biological processes work efficiently only within a specific pH range. Acid and Alkali dosing ensures optimal performance of coagulants, flocculants, and biological systems while also enhancing heavy metal removal and reducing toxicity. These chemicals are widely used in municipal and industrial wastewater treatment plants, including textile, chemical, food processing, electroplating, and pharmaceutical industries.