FOTONAL is a concentrated solution of wetting agent containing surface active substances and additives improving stability of housing developed image. Application of additional washing bath containing FOTONAL guarantees smooth water removal from the surface of the current material, accelerates the drying, eliminates spots caused by inhomogeneous drying, improves glaze of the current material at drying by using higher temperature. Application of the bath is in particular recommended for processing of materials intended for archiving. Optimal dose for industrial X-ray films is 10-40 ml per 1 litre of water. Immerse the processed and washed material before drying in that bath for about 1 min.