That is a lot of acquired wisdom/experience in a single incident!!!Bevo52 said:Yeah - lets you go over the top of the tank without adding pressure which would eventually make the tube come loose. I learned about these the very hard way after siphoning 20 gallons of water on the floor. That's also when I learned about drilling siphon break holes in the intake. That's also when I learned to use hose clamps on everything.