A neutral liquid cleaner that contains surfactants and highly concentrated enzymes, for use on MF, RO, UF and Nano membranes. Enzyme cleaner for removing proteinaceous soils in the dairy,food and beverage industry. Highly concentrated with twice the enzyme activity as Hydrizyme. Especially effective in removing plasma from RO and Nano membranes. It has a stable formulation for use in mildly alkaline solutions.