ive done that be 4 its awsome. sounds like a shotgun or a .50 cal goin off. hahaha nice

That's cool.

washer jug with shop air hooked up we drill a hole just small enough to fit a blow gun in tapped the handle open then turned on the valve

What is it? Draino bomb? Bleach bomb? Dry ice bomb?

this is what happens when six tech have no work and gets bored it was really loud