Glisten, the Machine Cleaning Experts, offers Dishwasher Magic, the #1 selling dishwasher cleaner, in an economical twin pack. All dishwasher manufacturers recommend regular cleaning to maintain dishwasher performance. Glisten intensely removes limescale, rust, grease and other build-up caused by hard water, detergent and food residues. Over time, this build-up affects your dishwasher's cleaning performance and can lead to the presence of harmful bacteria. Glisten, the only EPA registered cleaner and disinfectant, powerfully yet safely works in any dishwasher to eliminate build-up, disinfect the machine and restore its' cleaning performance. Use monthly or as needed to keep your machine amazingly clean, fresh and maintained. A family owned business that started in 1958, Summit Brands offers highly effective, sustainable, and innovative household cleaning products. Summit Brands began with the distribution of multi-purpose rust stain remover, Iron Out, and has since branched out to include a broader line of specialty cleaning products under the OUT, Glisten and Plink brands. As category leaders in many consumer segments, our goal is to provide high-quality cleaning products that fit the needs of the consumer with guaranteed results.