The Hg Kitchen Drain Unblocker is a natural solution for clearing blockages in your kitchen drain. It contains micro-organisms that break down the blockage, and special ingredients that help prevent future clogs. To use, pour a third of the product down the drain, followed by 200ml of hot water. Allow the product to work for 6 to 8 hours. For ongoing maintenance, add a few drops to the drain twice a month, ideally in the evening, to help prevent blockages and unpleasant odours. The product comes in a 1L size.