where in each case x, y and z, independently of one another, denote a number from 2 to 200, and R denotes H or (C1-C10)alkyl, and from 0.1 - 5% by weight of ethoxylated and phosphated alkanols or arylphenols, or salts thereof, which comprises combining water, the surfactant combination according to the invention and the active compound(s) to form a so-called premix, and then wet-grinding this ...