Our dishwasher dirt remover tablets contain sodium citrate, bioenzyme, sorbitol. It can solve the dishwasher detergent foam, odor, keep the dishwasher clean. The way to use it is very simple: please empty the dishwasher before use, then put the effervescent tablets in the detergent tray, and then turn on the dishwasher and let it run automatically. And it cleans the dishwasher.