hg keukenontstopper 1lApplication: Especially suitable for unblocking stubborn blockages in kitchen sink drains HG kitchen unblocker works based on natural enzymes and microbes that essentially eat through the blockage Due to the natural enzymes and microbes, it is fully biodegradable and safe for all types of drains and septic tanks Enhances the bacterial culture in septic tanks, thereby preventing troublesome clogging problems Pour a small amount into the kitchen drain