Alca 30 is a liquid alkaline formulation, suitable for the cleaning of closed lines in all sectors of the alimentary industry and beverage bottling. Alca 30 is able to easily remove all residues of fat, proteins and oil from the treated surfaces. The presence of controllers of the water hardness enables to work even with waters with a mediumhigh hardness. In order to optimize the results of washing cycles, we suggest a following descaling acid phase, with a periodicity to be estimated.