Place the plunger over the drain opening to create a tight seal
Add enough water to cover the rubber cup if needed
Push down gently at first to remove air
Pump the plunger up and down firmly several times
Keep the seal intact while plunging
Pull the plunger away quickly to check if the clog has cleared
Repeat the process if necessary
Flush or run water to confirm the drain is clear
Clean and disinfect the plunger after use