slide changes in 60 seconds
GARF'S SIPHON MAKING LESSON = bubbles and sun
|This image shows how the connector is cut off inside the pvc elbow. You want the inside cut as close to the fitting as possible so the tube can get all of the air removed.
As you remove the air water fills the siphon, and the water seeks the same level on both sides . The trick is to keep the siphon free of air.