Use it to lower the pH value to the desired value. It prevents the formation of deposits originating from calcium and magnesium by binding these ions to itself. Teknophos RPH 47 product should be used in systems with low pH value. It is a liquid product containing organic acid, prepared for systems with high pH. First of all, it brings the pH value to a suitable value for corrosion control. In addition, it is used for pH control in steam boilers and other closed circuit installations. The substances in it are suitable for use in the production of steam in contact with food.