Product Short Description: Highly effective at removing rust and iron stains. Apply in the last rinse to neutralise residual alkanity. Product Description: Specially formulated for use in commercial and on premise laundries. Highly effective at removing rust and iron stains. Apply in the last rinse to neutralise residual alkanity. Product Application: The correct concentration will be set by your local representative. Product Dose: Dose directions: Use at a rate of 3-5ml/kg Dry Fabric Weight. Do not mix with such chemicals.if pH<1.5