Step 1. put the pipe with suction head into the tank.
Step 2. put the other end of the plastic tubing into the pail, shake the pipe with suction head up and down untill the water expel out automatically.
Step 3. move the pipe with suction head following the effective slant angle and agitate the sand, dirt can be sucked out with water easily.
Package included: 1 Pcs Water Change Pipe
• Suitable for aquarium sand wash and water changes. • Also be used as a water siphon for water changes, or to empty your aquarium when you connect a hose to outlet. • Can clean fish feces and feed residues effectively. • Equipped with the adjustable water flow control switch knob, you can adjust the flow with the knob as request. • Remove the dirty things from the bottom of your aquarium effectively.