The present invention includes the steps of producing a generally, (i) carboxylic acid groups (α1), a monomer solution comprising at least one partially neutralized with monoethylenically unsaturated monomers and one or more crosslinking agents (α3) with; (Ii) the step of selectively adding a polymer fine particle absorptive to the monomer aqueous solution; (Iii) adding one or more constituents of the polymerization initiator system comprises a polymerization initiator or one or more components to the monomer aqueous solution; (Iv) optionally, reducing the oxygen content of the monomer aqueous solution; (V) the step of filling the aqueous solution of monomers to a polymerization reactor; (Vi) a step of polymerizing a monomer to obtain a polymer gel; (Vii) the method comprising the polymer gel was discharged from the polymerization reactor, optionally shredding the gel polymer; (Viii) further comprising: optionally, drying the crushed polymer gel; (Ix) by pulverizing the dried polymer gel comprising the steps of: obtaining a water-absorbent polymer particles; (X) step of classifying the pulverized water-absorbent polymer particles; And (xi) optionally, crushing and the classification comprises the step of treating the surface of the water absorbent polymer particles, in a manufacturing step (i), the production of the monomer aqueous solution, i1) providing a first fraction of the acrylic acid; i2) the method comprising contacting the first fraction of the acrylic acid and the hydroxide in the first contacting step, to give the first acrylate phase; (I3) is, a method of manufacturing a super-absorbent polymer particles comprising the step of contacting the acrylate onto the first in the second contacting step and the additional fraction of acrylic acid, to give a monomer solution.