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I have blown down the tube and you can feel air at the bottom, but when you suck on the tube it seems to start and then seems like the valve shuts off not allowing any air up the tube. does this seem right ?


That's how it works all right. You blow to reset it if it gets stuck in the closed position.

A positive attitude may not solve all your problems, but it will annoy enough people to make it worth the effort. Herm Albright (1876 - 1944)