A highly efficient liquid detergent for circulation cleaning of dairy pipelines. Sodium Hydroxide and Chlorine based formulation enables a fast cleaning action and removes milk residues efficiently in all types of direct expansion, insulated bulk milk holding tanks and milking parlours. Vanosan mixes easily and is suitable for use in hard or soft water. It de-fats and protects rubbers and helps prevent milkstone build up. It contains extra sequestrants so is highly effective in hard water areas.