How to Use It; 1 Take Appropriate Amount of This Product into the Pipeline, and Add Appropriate Amount of Water. the Amount of Water Is Added So as Not to Overflow. It Is Appropriate to Flush a Large Amount of Water into the Pipeline Mouth after 1 Hour to Test the Dredging Effect 2 Recommended Dosage, vegetable Washing Sink Washbasin Floor Drain 40 to 80 Grams, Sitting 100 to 300 Grams. 3 in Order to Better Dredge the Blockage and Serious Blockage, the Dredging and Action Time Can Be Appropriately Prolonged until the Night Is over. Use Dredge Agent in Winter. It Is Recommended That You Use Warm Water No Higher than 40 Degrees. 4 in Order to Keep the Water Tank and Pipe Unobstructed, It Is Recommended to Use It Once a Week.