Keep your kitchen drainage in good condition with this Buster Plughole Unblocker Kitchen. The mighty one-shot granules blasts fat, food and gunge from kitchen plugholes and pipes and stops slow draining water. Size: 200g. Usage: If the plughole is completely blocked scoop out as much water as possible before using. Pour all granules directly down the plughole (do not allow any to spill on the sink surface). Leave to work for 20 minutes (do not exceed this time). Flush through with lots of hot water.