What is the method of preparation of harpic toilet cleaning?

Harpic toilet cleaner is typically prepared using a blend of active ingredients, including hydrochloric acid, surfactants, and other cleaning agents that help dissolve limescale and disinfect surfaces. The process involves mixing these components in controlled conditions to ensure proper formulation and effectiveness. The mixture is then standardized for pH and viscosity before being packaged into bottles for consumer use. Safety measures are taken during preparation to handle the corrosive materials safely.