The industrial cleaning is performed on operated system or experienced equipment that shown sign of problems. The energy loss in the equipment from heat transfer reduction caused the efficiency of operation to decline. Commonly, foreign matter solidification, deposition of fouling, and rust formation are witnessed on the surface. This is not only operational problems but also promote metal loss from corrosion in various kind of forms, such as Galvanic Corrosion, Pitting Corrosion, Under Deposit Corrosion. Field cleaning procedure is designed and set up according to scale testing of which sample roots the field problems. A selective mixture chemicals, together with our experienced and practical procedure, the chemical formulation will be determined with best scale solubility, optimum chemical cleaning procedure especially in terms of cost & time.