Water-bath Insert for the SciGene Corp. Hybex Incubator eliminates the need for hot plates or water baths to heat water or buffer solutions. The insert is useful for washing DNA microarrays or for slides used in FISH/ISH. It is designed for performing cover slip removal from arrays post-hybridization using the racks provided as part of the Hybex Microarray Incubation System. The Water-bath Insert with heating base is also specified by Illumina for washing Illumina Sentrix arrays. The Water-bath Insert for the Hybex Incubation System has a working volume of 500 ml. It is easily removed, freeing up the heating base for use with tube heat blocks and microarray incubation chambers. The complete system is the size of a shoe box and weighs less than ten pounds.