Quote Originally Posted by Tom Esh View Post
Keep an eye on that 5 gal pail for signs of failure, Bill. My Ridgid (and I suspect many other vacs) creates enough neg pressure to deform them and break the seal. It becomes an issue when you obstruct or restrict the intake - like when using a small dia hose on a tool. I switched to pool chemical containers for that reason. They're a bit smaller and opaque but at least they don't crush. Ideally I'd love to find something clear or semi-clear in the 5-8 gal range that can withstand the pressure.
Thanks for the info, I am thinking of getting a little larger one from work and it is metel, I think they are about 15 gallon.