An irrigation resistant bone repair composition including a biocompatible or bioactive bone repair material and at least one non-ionic surfactant, other than a non-random poly(oxyalkylene) block copolymer, is described. Also, methods for treating a bone having a bone gap or a bone defect with the composition including a biocompatible or bioactive bone repair material and at least one non-ionic surfactant, other than a non-random poly(oxyalkylene) block copolymer, are also provided. Also, kits including the irrigation resistant bone repair composition including a biocompatible or bioactive bone repair material and at least one non-ionic surfactant, other than a non-random poly(oxyalkylene) block copolymer, are described.